After being hit by an iron rod, Sanjay Ramaswamy, a business tycoon, suffers from anterograde amnesia. He is unable to remember anything beyond fifteen minutes. Under such circumstances, he sets out on a quest to find the people who were responsible for his lover Kalpana's murder.
Suriya
as Sanjay Ramaswami (Manohar)
Asin Thottumkal
as Kalpana
Nayanthara
as Chitra
Pradeep Ram Singh Rawat
as Lakshman and Ram
Riyaz Khan
as Police Inspector
Manobala
as Kalpana's boss
Sathyan Sivakumar
as Server / Fake Sanjay
Venba
as Child artist
