: The film employs a non-linear narrative, as a medical student named Chitra ( Nayanthara ) investigates Sanjay's case, uncovering the poignant love story between the wealthy tycoon and the spunky, compassionate advertisement model Kalpana. Iconic Cast and Performances The film's impact was driven largely by its stellar cast:

: Delivering a "powerhouse performance," he seamlessly transitioned from the suave, romantic businessman to the raw, vengeful amnesiac.

: Her portrayal of the bubbly and selfless Kalpana earned her widespread acclaim and she reprised the role in the 2008 Hindi remake.