Within the village Ammapatti, Maruthu Pandi is a coracle operator in day and the village protector at evening. The villagers give him meals in alternate of his work. Maruthu Pandi has a mentally in poor health sister Lakshmi who's pregnant and he takes care of Lakshmi like a mom. Kanagavalli, a dancer, slowly falls in love with Maruthu Pandi. Kanagavalli is the truth is a police officer who desires to arrest Maruthu Pandi. Maruthu Pandi's actual title is Manickam, and after a revealed flashback, police group come to Ammapatti to arrest Manickam. What transpires later types the crux of the story.