Amitava Chowdhury is an author and a businessperson who always remains busy with his job schedule. Amitava has a sister and a special type of polio affects her. Suparna and Aparna are two sisters from a very upper class cultured family. Amitava feels a soft corner for Suparna, then Amitava marries Suparna, but after their marriage, Suparna feels awkward in Amitava s house. His sister cannot tolerate Suparna. On a picnic day while she was traveling with Suparna, faces an accident and die. Everybody thinks it as an accident, but originally it is a preplanned murder. Later Amitava explains the whole incident in court and accept the court s judgme.