Midhunam film is all about Sethumadhavan (Mohanlal) who has plans to start out a biscuit manufacturing unit close to his home. However the forms and the corruption of the officers are the hurdles in entrance of him. Together with that he has to unravel the issues in his household, which his brother (Harmless) and brother-in-law (Jagathy Sreekumar) creates. he marries his long-term fiancée Sulochana (Urvashi) who at all times cribs that he would not have love in direction of her, which he had proven earlier than their marriage. How sethumadhavan succeeds in his life beating all the percentages towards him types the remainder of the story.