Raj Malhotra and wife Pooja have four sons. The sons have settled down professionally and are quite independent. However, when Raj Malhotra retires, none of his children want to be burdened with the responsibility of taking care of their parents. Strangely, it is the adopted son who proves to be the most kind hearted of them all. Salman's girlfriend eventually marries him. The question is, will Raj and Pooja's sons learn the folly of their ways and turn over a new leaf?

The film is based on the real life murder mystery of Sheena Bora. Bollywood actress Mahima Chaudhry makes her debut in Bengali film as Ishani Banerjee, a character based on Sheena's mother and alleged murderer Indrani Mukherjea. Riya Sen will play the part of Rina Bardhan, inspired by Sheena Bora. Media baron Peter Mukherjea, Sheena's stepfather, will be portrayed by Sudeep Mukherjee.

Kaanchi movie is a musical thriller with a love story. It is a story of the inner power of a woman who represents millions of suppressed youth against unjust in the country. It is also the story of an innocent rural beauty and her fight against power.