Jonesy and Amy risk their careers and safety to investigate murder, illegal gambling, and possible police corruption in St Davids. PJ risks being unable to keep his promise of a 'sure-thing conviction' to the daughter of an assault victim when he loses a critical piece of evidence that could result in the accused walking free. The gravity of the error is compounded when the man dies of his injuries. Probationary Constables Peroni and O'Rourke investigate a driving school after encountering a series of especially bad new drivers. Ben's love poems to Susie become the subject of office rumours.