Detective Joe B. Carvalho is hired by businessman Khurana to keep a lookout for his daughter Nina Khurana who has eloped with an ageing servant Ramlal and he does not want them to get married.
A criminal Gopa loves Gehna but she is in love with Lohesh and Gopa does not want this alliance to happen. He asks Carlos to stop this marriage which angers other dons who wanted the job.
The paths of Joe and Carlos cross as Nina and Gehna are friends and then it's a case of mistaken identifies as the criminals after Carlos mistake Joe for Carlos. Joe has a girlfriend Shantipriya who he has broken up with but as she is a police inspector and after Carlos she also meets up with Joe again.