Nidhi, a 16-year-old teenager, lives happily with her mother, sister and stepfather, Mohan. But no one knows that she is hiding a tragic secret from them and plans to kill one of her family members.

Monichan, a farmer, moves to a city with his family to provide better education to his children. Problems arise when he gets influenced by anti-social elements who involve him in illegal activities.

Blade Purushottaman (Mammootty), nicknamed Parunthu Purushu for the way he preys on his targets, is a heartless financier. His rude and insulting ways of talking to people who owe him money have hurt many people.