Raja, Rashmi, and Jhumroo return home from a picnic, but leave Chachi behind in the city accidentally. Bhattacharya and his wife aid them in looking for Chachi. Meanwhile, Chachi runs into an old Parsee man, Rustomji, who is looking for his wife who got lost and goes around town with him, while her family searches for her frantically. Since Bhattacharya and his wife don't know what Chachi looks like, they bring a random old lady home. Chachi finally finds her home and invites Rustomjee, too, where it's revealed the old lady whom Bhattacharya and his wife brought home is his wife.

An annoying neighbor of Chachi from Meerut, Mishra, barges in uninvited and creates a lot of trouble for the family. He makes a mess out of the house and invites his own friends in without permission, and the family tries getting rid of him.