Marutha Nattu Veeran is a swashbuckling-adventure that stars Sivaji Ganesan in the lead role.

Jeevagan (Sivaji Ganesan), a brave young man is appointed as the high guard to protect princess Ratna and soon they both fall in love. Meanwhile, the King's minister, Veera Kesha (P.S.Veerappa) is secretly plotting with the Sultan, a known enemy of the throne. Veera Kesha frames Jeevagan as a traitor and turns the Kingdom against him. What sinister plan does the Sultan hold? Can Jeevagan prove his innocence and save his Kingdom?