F.I.R.

Chandramukhi finds a French connection in the theft case. Gulgule finds that a musical group had visited France and the concert was organised by a man called Babu Bonnet. They trap him by pretending to be a musical group. They are told to leave back their music instruments. Chandramukhi then catches Babu red handed while he is filling their instruments with jewellery. He is arrested for smuggling and the case is solved.