M. Kumaran S/O Mahalakshmi (2004)

For Kumaran (Jayam Ravi) life is all about his mother Mahalakshmi (Nadhiya) who separated from her husband Eshwar (Prakash Raj). Kumaran is passionate about kickboxing and he shares a very special relationship with his mother. In between, Kumaran falls in love with Malabar aka Mythili (Asin Thottumkal). But his life is destroyed after his mother's death. On her deathbed she tells her son to meet his father, a kickboxing champion, who lives in Malaysia. Kumaran goes to Malaysia to meet him.

Eshwar is happily settled with a new family. Kumaran gets a job at his father's kickboxing academy. But he finds his father with another wife (Aishwarya) and a daughter. He is angry at this scene. His father trains a boxer, Anand, whom his father is sure will win the championship. Anand makes Eshwar's daughter pregnant and leaves her. He turns traitor to Eshwar and joins another team. The rest of the story is about how Eshwar trains Kumaran against Anand and wins the kickboxing competition, while Kumaran helps his half-sister with her love.