Midhunam movie is all about Sethumadhavan (Mohanlal) who has plans to start a biscuit factory near his house. But the bureaucracy and the corruption of the officials are the hurdles in front of him. Along with that he has to solve the problems in his family, which his brother (Innocent) and brother-in-law (Jagathy Sreekumar) creates. he marries his long-term fiancée Sulochana (Urvashi) who always cribs that he doesn't have love towards her, which he had shown before their marriage. How sethumadhavan succeeds in his life beating all the odds against him forms the rest of the story.

Sethumadhavan

Sulochana

Preman

Kurup Master

Swamini Amma

Kurup

Suguthan

Sivaraman

Acting

Sethu's Maternal Uncle

Chief Engineer Karunakaran

Peethambaran

Chekkodu Swamy

Acting

Sulochana's Younger Sister

Sivaraman's Wife

Shyama

Acting

Pappi
July 4, 1993

Sethumadhavan

Sulochana

Preman

Kurup Master

Swamini Amma

Kurup

Suguthan

Sivaraman

Acting

Sethu's Maternal Uncle

Chief Engineer Karunakaran

Peethambaran

Chekkodu Swamy

Acting

Sulochana's Younger Sister

Sivaraman's Wife

Shyama

Acting

Pappi

