Seeru Tamil Full Movie Online HD, Mani Maran is running cable TV in Mayiladuthurai. He is a do-gooder and had always been affectionate towards his friends and sister. Once Malli, a gangster, calls him his friend. Mani Maran was much impressed and decided that he would be one of his good friends. Manimaran is such a person who could go to any extent for the people whom he loves. To help his friend Mani Maran had to face a criminal lawyer, who had been supporting crooked people and get them out of any severe case using the loopholes in the law. How Mani Maran gets out of the trouble caused by the criminal lawyer forms the rest of the plot.