The central plot of the movie is about an unemployed man who is in search of a job to sustain his life. He takes the help of a friend and gets a job of a watchman. His job is to watch a locality which is infamous for routine burglaries and other crimes. The twist in the story comes when a policeman comes to settle in this locality with his daughter. The watchman has a troubled past which unfolds in the end. watch Annanagar Mudhal Theru movie online.