Two stepbrothers take over their parents' business after their demise. They face many problems when their father's enemies plot against them.

Many years ago, fate brought Ravi Chattana to a remote village, where he met and fell in love with Rita, a kind and responsive girl. But life separated the lovers. Years passed. Ravi married another woman and had a daughter. It seemed that nothing could cloud his family happiness. But an unexpected phone call and a subsequent meeting with the parish priest disrupt the peaceful life of the Chattana family: Ravi has a son, Raju, whose existence he was unaware of. The situation is further complicated by the fact that the boy's mother, Rita, has died, and now it is up to the father to take care of the boy and take him into his family. Inspired from novel Man, Woman and Child by Erich Segal.

Unni (Nedumudi Venu) and Sethu (Sukumaran) are two bachelor friends staying together in Chennai. Though irritating at sometimes, with his music talents, the house owner Varma (Jagathi Sreekumar), a music director is always ready to financially support them at times. The arrival of Radha (Poornima Jayaram) creates a friction in the friendship between Unni and Sethu.

Things go awry when a haunted mansion is opened as a tourist attraction by Aghathiyan leading to the unraveling of the dark history behind the mansion's previous occupant.