Brian, an engineer on an oil rig, is airlifted by helicopter to the hospital with suspected serious neck injuries. It is an urgent case for Dr Lalla and his team in accident and emergency because, aside from his injury, Brian has a worryingly low heart rate which requires thorough investigation. Coastguard and lifeboat teams are scrambled to the aid of a pleasure boat whose propeller has been fowled just feet from Shetland's jagged rocks. The ambulance team race to the aid of a former nurse with a suspected stroke. Back in the hospital, one of Europe's strongest men comes in with an injury that has come about because of his incredible strength.

An oil worker with a severely injured back is helicoptered off his rig miles off shore and brought to the hospital. The team have to use all their skills and resources to stabilise and diagnose him before deciding if he can be treated on Shetland or if he will need an air ambulance transfer to the mainland. The episode also follows a GP with Britain's most unusual commute, as he takes to the skies to carry out a clinic on Fair Isle, the country's most remote community. With no full-time doctor or nurse on the island the residents here rely on his visits. And Eddie, a keen motorcyclist, comes into the hospital after colliding with a seagull while riding his motorcycle at speed. His Shetland sense of humour is intact, but Dr Lalla and his team are concerned about how much damage the bird may have done to his neck.

The islands' new crop of junior doctors arrives in Shetland - this episode follows their first days and sees how they adjust to a very different type of medicine from what they are used to. Junior and newcomer Dr Wilson is thrown in at the deep end with two serious cases that arrive simultaneously into Accident and Emergency. Dr Wilson must use all his skills and rely on the vast experience of Shetland's native nursing staff if he is to provide the care the NHS expects. Away from the hospital, a doctor is working on Unst - the most northerly practice in the United Kingdom. And two of the new junior doctors take to the water to try out a popular Shetland hobby.

Episode four takes a closer look at life for Shetland's new and expectant mothers. In the Gilbert Bain's maternity department, first time mum-to-be Caitlin has come in as she is eight months pregnant and can't feel her baby moving. They also see a woman who, ten days past her due date, has to be flown from Shetland to the mainland for specialist assistance giving birth. Meanwhile, two young girls visit A&E - one having fallen off her Shetland pony and breaking her collarbone and another with a badly injured arm following a trampolining accident. The staff at the Gilbert Bain, who are not specialist paediatricians, have to use all their skills and training to treat them. Away from the hospital, the programme follow a midwife from Aberdeen who has recently moved to the islands and is struggling to find her way around, all while making house calls to Shetland's newest mothers.

Fisherman Brian has to be evacuated by helicopter after inhaling some dangerous chemicals. The coastguard landing team have to work closely with the air crew and paramedics to transfer him to accident and emergency, where the team are tasked with stabilising his breathing, as well as finding out what long term effects the chemicals may have had on his lungs. Away from the wards, Jan and Pete from the Hillswick Wildlife Centre have been alerted to a pilot whale which is in danger of running aground in one of Shetland's 'voes', or inlets. They need to enlist the help of volunteers if their audacious rescue plan is to succeed. Back in the hospital, the doctors and nurses have two different piercing problems to tackle. The first is a woman whose fishing trip had to be cut short when she got a hook embedded in her forearm. While the second is a teacher whose new piercing has gone wrong - and who requires an operation to remove this troublesome piece of jewellery.

The coastguard is scrambled to rescue a Danish cook who has been taken seriously ill on an oil rig supply vessel far out in the North Sea. The helicopter team have to work closely with the paramedics on the ground to get him safely to A&E so he can get life-saving treatment. The programme meets Britain's most northerly full-time GP in her practice at the very north of Shetland's mainland, and nurse Thelma demonstrates a popular island pastime.

Crofter Andy has an accident with his sheep shears while shearing some of his forty sheep. Nurse Lauren needs to treat Andy's injury so that he can return to his flock. Elsewhere, there is a case that peaks nurse Emma Williamson's interest; patient Alan has arrived in A&E with a protruding pacemaker. The wires from the device are poking through Alan's chest and have caused a nasty wound. Nurse Emma and Dr Kirsty Sneddon investigate Alan's 9th pacemaker! Off-shore worker Ryan has been transported by helicopter to the A&E department. He has some serious symptoms which could be appendicitis, but Dr Kushik Lalla suspects it may point to something else entirely.

An elderly lady is rushed into hospital with a suspected stroke. Though former nurse Kathleen's symptoms point to a stroke, the investigation by the A&E team sheds new light on her condition. Elsewhere, Dr Saul Wilson has a broken hand to contend with; Norwegian Kari was on board a tall ship in Lerwick Harbour when she took a tumble and injured her hand. On the first day of his holiday in the Skerries, Jimmie takes a trip he wasn't looking for when he falls off a wall and ends up in A&E with head injuries. Dr Lauren Cammaert needs to determine what is wrong with him and get him back on his feet and back to his holiday as soon as she can.

There is an extra special arrival for maternity receptionist Marie Jamieson - her daughter Sonja is expecting her third child. Marie faces an anxious wait, as she is still working on reception and must wait outside to find out if it is a boy or a girl like everybody else. Nurse Gwen Angus attends to a lady with a nasty head injury. Sandwick resident Anne has the builders in, but she takes a nasty fall while they are building her new kitchen. The Fetlar Islanders receive a visit from a new locum GP. Dr Gerard Bulger has travelled all over the world during his GP career, from Antarctica to Tristan Da Cuna. He believes he has seen it all - until he arrives in Shetland.

At the Gilbert Bain hospital on Shetland, nurses and doctors go the extra mile to care for any and all emergencies. Schoolboy Bruce runs too many miles and injures his leg. A football match leads to an awkward injury for teenager Saul, but a football tournament makes a great weekend for Dr Lalla and his family. An able seaman is referred by his ship's doctor, barely able to breathe. An unfortunate migraine sufferer develops worrying new symptoms which warrant a brain scan and an anxious overnight stay. And a young local man gets mud in his eye, presenting diagnostic difficulties for the night team in Britain's most remote Accident & Emergency unit.

A 19-year-old casualty is stuck 150 feet down cliffs in the north of Shetland. The deteriorating weather makes the rescue extremely challenging, and the team are concerned he may succumb to hypothermia. Dr Lalla reopens a nasty wound when patient Martyn is transferred by helicopter to hospital from his oil rig. He sliced his hand open with a metal grinder, and Dr Lalla is concerned about serious infection. Farmer Derek arrives in A&E having been trampled by a calf. Nurse Thelma Irvine needs to find out whether his cheek and nose have been fractured by the bovine bashing.

Shetland's above-average birth rate gets a further boost with the arrival of the latest islander. A patient with several complex medical problems faces a serious operation. The prognosis is very poor, but the team do everything they can to make him comfortable, knowing that he may not survive. The island of Yell gets a visit from popular locum GP Dr Gardner. He's ready to treat and care for anything and everything but also hopes he gets a chance to do some fly fishing while he's here.

A medical mystery concerns the team in A&E. Gary has been transferred from his North Sea rig to hospital after feeling dizzy with blurred vision. It may be a problem with blood sugar or a vascular issue, but it may also be signs of multiple sclerosis. Fish factory worker Richard thinks he might have scratched his eye removing a contact lens, but Dr Lalla suspects something much more serious and there is a race against time to get the treatment that Richard urgently requires. Three-year-old Summer gets the attention of occupational therapist Marc Beswick. The youngster has a condition that means it's hard for her to move her arms and legs. Marc is working to make sure she can gain the skills she needs and also learn how to use an electric wheelchair to get around.

A retired university administrator is treated for serious chest pains. Tests reveal he has had a heart attack and needs specialist surgery - and an air ambulance. Pharmacy technician Kieran Groat visits an elderly patient who has had trouble remembering to take her medication. A new plan to remind her and streamline her medicines means she can maintain her independence. And senior charge nurse Aimee Sutherland organises Shetland's biggest biker rally.

The coastguard helicopter takes a 24-year-old oil rig worker to Lerwick for urgent medical treatment. After appendicitis is diagnosed, he's rushed into surgery. A 64-year-old member of the Jarl Squad, stars of the annual fire festival Up Helly Aa, comes in to A&E complaining of breathlessness. The cause turns out to be a deadly blood clot, discovered in the nick of time. And community nurse Margaret Cooper gets an introduction to Out Skerries, one of Shetland's more remote islands.

The annual fire festival Up Helly Aa gets under way with a traditional visit to the hospital from the squads of men dressed in Viking garb. It is a night to remember for one reveller, who ends up in A&E with serious burns after an accident with a kettle. A specialist retrieval team beats the weather to get to a critically ill patient who needs urgent treatment on the mainland. And an 84-year-old marathon runner is stopped in his tracks by a fall that breaks his hip. But after an operation, he is determined to get back to fitness.

Walter, a 57-year-old man, has been brought in to A&E suffering serious chest pains. Nurse Amanda Brown provides pain medication, but it is confirmed that Walter is having a heart attack and will need an air ambulance to take him to the mainland for vital heart surgery. Paramedics are called to Scalloway to reach an elderly patient who has fallen and hurt herself. It isn't the first incident, and she is having trouble taking medication. Consultant physician Professor Chris Isles is determined to find the answer. And nurse Marie Stemp and Dr Hazel Thompson need to improvise when a patient arrives at A&E with an injured foot. French fisherman Jimmy speaks no English, and the medics don't speak French.

Dr Lalla is frustrated by summer fog which means the air ambulance cannot land. To get his patient to specialist care, he urgently needs the coastguard helicopter - and the fog to clear. A South African with Shetland roots learns to always listen to his mother. She convinces him to get his foot x-rayed after a nasty stumble, and a fracture is diagnosed. And senior staff nurse Emma Williamson suspects the cause of an asthma attack is more serious than it first appears.

A carrot cake causes a major emergency when an oil rig worker with a nut allergy eats some after his shift. Evacuated to Lerwick, he is treated by the team in A&E. A young man's attempt to vault a fence after a few drinks doesn't go as planned when he fractures his ankle in three places. And Dr Ruth Booth starts a six-day stint as GP on Unst, the northernmost inhabited island in the UK.

Offshore worker Tony is evacuating to the Gilbert Bain with severe abdominal pain. Dr Lalla diagnoses appendicitis and Tony is rushed to theatre, where surgeon Mr Gordon McFarlane is assisted by surgical trainee Dr Jemma Langschmidt. Two ambulances and a ferry were needed to get Ingrid from Whalsay to A&E. She was knocked unconscious when a horse kicked the metal door of a horsebox into her face. Senior charge nurse Aimee Sutherland assesses the damage. And on a stunning summer's evening, the latest crop of junior doctors are taken to the tiny island of Oxna as part of their induction to Shetland life.

The coastguard rescue a 6ft 9 Norwegian nicknamed Tiny from a ship going to the Shetland Folk Festival. Junior doctor Freddie treats an Indonesian fisherman in A&E. Paramedic Emma and colleagues travel to Yell to train first responders.

It is early summer and Shetland's farmers are at their busiest. But Wilma must take a break from her croft to undergo a serious operation at the Gilbert Bain. A veteran farmer has a heart scare.

A patient makes a 450-mile round trip for a hospital appointment that takes just 20 minutes. An oil rig worker is rushed to A&E with a suspected stroke. Emergency service staff join forces raise money for an MRI scanner for Shetland.

Chloe starts her first shift as a fully qualified nurse. Emma takes three junior doctors for a rejuvenating dip in the bay near the hospital. Coastguard Rescue flies in a night-shift worker for urgent medical attention from A&E staff.

A 95-year-old navy veteran is winched from the deck of a cruise ship, having lain undiscovered in his cabin for 11 hours. A patient has his holiday interrupted with kidney problems.

Patients on Fair Isle wait for a break in the weather to make the trip to hospital for important operations. GP Esther Mitchell makes the trip the other way. Poor weather means it has been eight weeks since she was able to visit.

Dental director Dr Brian Chittick operates on one of his colleagues who has two troublesome wisdom teeth that need removing. A patient arrives in A&E with abdominal pains. The women's rugby 7's team take on teams from across Scotland.

The latest crop of junior doctors have to put all their training and experience to the test. A group of off-duty junior doctors and medical students take a trip to the island of Fetlar for a midnight swim.

Jean, the community nurse on the little archipelago of Out Skerries, is out on her rounds seeing patients and delivering medicine. A man who fell into a fence is in A&E with a very sore shoulder. Paramedics welcome a new team member.

There are serious concerns for a baby boy who arrives in A&E feeling very unwell. Occupational therapist Marc Beswick has been making modifications to an electric wheelchair to ensure its owner can develop some independence.