The movie tells the story of Sam, a successful neurosurgeon, who leads a contented life with his wife Devi, a reporter for a Tamil-language magazine. The entry of old and new friends wreaks havoc with Sam's emotions, causing ripples of doubt and mistrust. In the meantime, Devi finds friendship elsewhere, leaving Sam to wallow in his own despair. Amidst all this turmoil, Sam tries to hold on to his marriage and cling to his rational side. As the suspense heightens and the movie reaches its climax...