Mukundan (Mohanlal) got permanent status at his job, and things are starting to look good. But then his old college classmate Viswanath (Srinivasan) comes into his life, after many years and things start going straight downhill. Viswanath cons his way into stealing money from a lot of Mohanlal's neighbors, and even tricks his way into a job at Mohanlal's workplace by lying to Mohanlal's boss . Viswanath tricks Mohanlal into helping him get more money ,which causes Mohanlal to loose his job and get arrested. Viswanath even steals the woman Mohanlal loves , Sumitra and plans to marry her , by tricking her family into thinking he is rich. But eventually the truth catches up.