The Government of India has devised plans for a new kind of super aircraft. A gangster, Diwan, manages to procure this plan from corrupt military officials, and hides it in his safe along with other valuables. The police find out that the plans have been stolen by a "Diwan", and start a manhunt for all Diwans in Bombay.

Cast

Dev Anand

Rocky / Inspector Ramesh / Sustram

Hema Malini

Seema

Ajit Khan

Ranjit

Jeevan Dhar

Diwan Saheb

Helen

Carmen / Rita