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.