Boris meets again his old friend Dodit in Jakarta. They lived in a boarding house of Maya, the wife of Indro. In the house, Boris finally close to Sasha, one of the boarders and friends of Karin, the only daughter of Maya and Indro. Boris and Dodit are looking for work and accepted at a detective agency. They receive a case before they get the proper training. Their first client is Maya, who suspects Indro has a mistress.