Ponnu Mappillai is a 1969 Indian Tamil-language film directed by S. Ramanathan and written by Usilai T. Somanathan.
The movie stars Jaishankar and Kanchana in its lead roles and was released on September 26, 1969.
The plot begins with a smuggler arriving at Madras airport, concealing diamonds within a guitar placed inside a car driven by Ramesh and Bhuvana. A masked man pursuing them discovers the hidden loot in the secret compartment of the guitar before they arrive and drive away.
