Tom confronts his past when an old army mate confesses to a 30-year-old homicide. As the horrific nature of the crime is discovered, Tom begins to question the truth of his friend's confession. Amy challenges Tom over his involvement in the murder investigation and discovers he had a close personal involvement with the victim.
Susie's first foray as Acting Sergeant isn't going well. Her newest charge, Constable Matt Graham has arrived in Mount Thomas with a secretive nature and a cloud over his head. He clashes with Kelly over ethics as they investigate a father's claims that his under-age daughter is having sex with her boyfriend.
On top of this, the boss is preoccupied and won't give her the time of day while Joss ignores her instructions to conduct a clandestine affair with the green-grocer's daughter.
Susie finally manages to exert her authority but the powers that be have another rude shock in store.