Amma Nanna O Tamila Ammayi is a film based on a man who is kick-boxer and his aim is to become a champion. He lives with his caring mother, but his father leaves them to follow his dreams. When he loses his mother, he moves to his father`s house, upon his mother`s insistence in her last days. The story takes a turn when he learns that his father has remarried and has a daughter with his second wife. The boy manages to win the love of their family.