Plot: Jamuna who has lost her father follows his footsteps by becoming a cab driver against the wishes of her relatives. While her selfish younger brother abandons the family she takes care of her mother who is a stroke survivor. Elsewhere an honest politician and his son are targets of an assassination plot and the murderers are on the way to Chennai from Walajabad. When the assassin’s car meets with an accident they call for a cab and unfortunately it is Jamuna who is the driver. Can the innocent girl escape from the clutches of the ruthless men and can she save the honest politician in the process or not is what the film is all about.