By Sarathi Guha(10 May 2008)
Successful author Amitabha Chaowdhury falls in love and marries Suparna, who has a twin, Aparna. Amitabha's sister, Ratna, who suffers from polio and is neurotic, can't accept the happy marriage and keeps the couple away from each other. Ratna died when her wheelchair slips from the hands of a fainting Suparna to crash downhill. Suparna falls seriously ill. A long tour abroad restores her health. She is pregnant and close to childbirth. Aparna presents the couple a doll. Amitabha anticipates a beautiful daughter and keeps it on the bed between him and Suparna. Spells of dizziness accost Suparna. She is found unconscious in the midst of soapsuds in the bathroom. The baby is lost. The warm relationship between Amitabha and Aparna soon Rouse Suparna's suspicion. In a cultural function, both the sisters faint and are given milk and brandy. Suparna dies saying that Aparna has poisoned her. In court, Aparna is accused of killing her sister to foster her illegitimate relationship with Amitabha. Amitabha discovers a wooden box that Suparna always kept locked. Evidence is found there which proves that Suparna was Schizophrenic and had murdered Ratna, the unborn baby and had wanted to kill Aparna too. Aparna is released. Amitabha, still in love with Suparna, leaves forever.