Suriya (Venkatraman) plays a police officer by day but a ruthless killer at night shooting people in cold blood. When Suriya is moved from Chennai to Kodaikanal as punishment, he has a chance encounter with an architect named Siva (Munna). Suriya was investigating a theft in Siva’s house which brought Ramya (Kaur) back into his life. Will Suriya get his revenge? Watch Acharam movie online.