Gitashree Chakraborty

Babin, Dolly, and Tyre are three slum kids with big dreams of becoming a doctor, nurse, and engineer. When Babin's father falls critically ill, they steal an oxygen cylinder that sets off a chain of events.

Torsha, a little girl namesake of the river, comes from a privileged family. She befriends a group of children on the bank of the river.