Sarah's annoyance at the invasion of her privacy turns to anger when she's questioned by Jack about what was discovered in her room: that Sarah is not her real name.
A woman uncovers a severed head that has been placed in a gym bag, so Goldstein and Christey investigate. Plus, the detectives' relationship takes an interesting turn.
Ballistics show that Chief Hawker's gun is linked to the murder of Vince Blake eight years ago. Together, Tavita and Goldie work so they can clear his name.
While Holloway is away in Melbourne for a job interview, Goldie searches for a serial killer and investigates a string of brutal murders.
The detectives investigate the underground world of illegal steroid dealers and a murder. Plus, the team apprehend a man who is responsible for stealing from groups of tourists.