Rajani, a prostitute, yearns to live only for the sake of her daughter, Sabita, and provide for her future. In the process of doing so, she faces various struggles.

Raatporir Rupkatha is a film revolving around the life of a sex worker, Rajani (Indrani Halder). Rajani's little daughter, Sabita is everything to her and the only inspiration to live her wretched life of a prostitute. She dreams that her daughter would study a lot, get a decent job.