This fast paced action comedy delves into the twists and turns in the life of Mahadevan (Jayaram) and his uncle Kumar (Janardhanan), who are still struggling to find money after the deaths of Mahadevan's parents and Kumar's sister. One day, luck comes to them when Mahadevan wins a car as the 1st prize of a promotional contest held by a washing-powder brand.
Meanwhile, some murderers have targeted the witness Maya, a young woman who saw a lady being raped and killed by her boss. By mistake, both the murderer and Mahadevan get the same tag number on their cars' license plates. The murderers try a hit-and-run attack on Maya, but she escapes. She thinks it is Mahadevan who did it. Mahadevan gets arrested by sub-inspector Cheriyan (Kalabhavan Mani) according to Maya's complaint. But due to lack of proper evidence, he's released with a warning.
After getting through problems one after another, Mahadevan finds the real killers and their car. He tells Maya about the killers who attempted to take her life. Shockingly it is revealed that one of the killers is Maya's cousin brother Vishnu who is after her wealth. Vishnu tries to kill Maya, but Mahadevan stops him.
Will Vishnu and his co-conspirators continue to attack Maya and Mahadevan? Will the young couple succeed in escaping this dangerous situation with their lives intact?
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