Enroute Madras via train, when three friends get falsely accused of a mysterious homicide, they escape and desperately search for the real killer.

Shyam, a flirt, seeks his friend's help to date several girls at the same time. However, an unexpected turn of events changes their situation and, later, they get caught in their own web of lies.

Professor Kurian Fernandez escapes from jail with his cellmate Raghu. Inspectors, Unnikrishnan and K.Purushothaman Nair are sent to track him down. They follow Kurian Fernadez's daughter to track him.

Unemployed youth Appukuttan (Mohanlal) saves an heiress Chandra (Sukanya) and is mistaken for her husband. His juice vendor friend (Sreenivasan) also enters the fray and pretends to be Chandra's "husband" at her father's factory, while Appukuttan plays the same role in the hospital