Jock is a young detective who spends most of his time with his friend Jack, karaoke bar owner Rue-Tai and a clever dog named James Bond. His job is to detect unfaithful husbands that commit adultery for their wives. Jock lands himself in hot water when he is hired by Sawapha to follow her husband, police captain Wasin, who is having affair with Nampan. Nampan, however, is also seeing wealthy Chinese car dealer Sia Adisorn. When Jock finds out that Sia’s wife, Khunying Suwimon, has hired hot-tempered detective Suthin to blackmail Nampan, he is outraged and decides to help her.