The film begins with Mathayi, who was imprisoned for killing his pregnant sister, being released from jail. He goes back to his house, where he recalls the incident of his sister's death and his father's mourning face.

A remake of the 1973 Bollywood classic 'Yaadon Ki Baaraat', the movie stars Mammootty, Mohanlal, and Devan as long-lost brothers. In the end, they reunite to take revenge for their parents's death.

Koushalam is a 1993 Indian Malayalam film, directed by TS Mohan and starring Siddique and Urvashi in lead roles.