Swami Amoorthananda is involved in narcotics and is responsible for the death of few innocent people. The CBI hires police officer Madhavan to investigate the cases against Amoorthananda.

Unni Thampuran gets falsely accused of raping and murdering a young girl. However, things take a turn when his lawyer, Aniyan Kuruvilla, works hard to defend him.

Two rival coolies from the Mattupetti market, Machan (Mukesh) & Kannan (Baiju), marries Lakshmi (Sree Lakshmy) & Parvathi (Mathu), daughters of cashew-nut businessmen & rivals Kumar Kubera (Jagathi Sreekumar) & Prabhakara Prabu (Oduvil Unnikrishnan), by lying about their background & each claiming to be son of famous businessman Mahadevan (Captain Raju). To keep the truth from coming out, now they have to juggle between their real lives & their false identities in front of their wives & in-laws.

Although married, Vishnu is a habitual flirt and always looks out for an affair. When he is almost caught with a young girl in his house, he lies to his family that she is his illegitimate daughter.

After his retirement, Raghavan Nair (Thilakan) is back at his home. His long cherished dream to spend his retired life along with his family is thwarted after seeing his two sons brawling each other over their political differences.