A renowned actress, Aswathi, is murdered. When a CBI officer, Sethurama Iyer, investigates the case, he unravels a dark secret about Aswathi which brings forth several complexities.

Veerasimha Mannadiar gets killed by Hyder Marakkar, a notorious criminal. Thereafter, Veerasimha's brother, Narasimha Mannadiar, decides to avenge Veerasimha's death.

A string of mysterious murders happen in an aristocratic mansion. The owners of the mansion seek CBI officer Sethurama Iyer's help to find the person responsible for the deaths.

Sagar, known as Jackie, among the criminal underworld, is called by his friend Indu to rescue her husband Manu from the Rozario gang, who kidnapped him. Jackie rescues Manu with ease, but it ensues a gang war.

Alex, who is awaiting execution, confesses to having committed six out of the seven murders he is acquitted for. Officer Sethurama Iyer decides to trace the original murderer of the seventh one.