The film follows underworld don Vincent Gomas (Mohanlal) and his rivalry against the Kerala Home minister N. Krishnadas (Ratheesh).
A noted rocket scientist is kidnapped by terrorists. Two spys reach a small village in search of him.
Ravishankar (Mohanlal) takes over the underworld empire left by his boss/father figure , Bava when he gets killed and helps the poor and needy. He becomes their leader or the "Onnaman" but in the process creates a lot of enemies.
Darshandas's daughter arrives from the US to help him in his business. William, his rival decides to kill his daughter, but fate takes a different turn.
A man with a dark past helps a woman bring her husband back from a vegetative state.
Sachidanandan reaches the hill station in search of Andrew. But he meets a lot of other people there.
Abandoned by his biological mother, nicknamed Harami, he comes in contact with Hajibaba, who offers to take care of him and gives him the respectable name of Vishwa. Hajibaba runs an ...
Sridevi, a lady from a family with a poor financial background got married to a rich tea estate owner and the resulting incidents in their life is plotted in the movie.