Jack hands in his badge and turns vigilante in order to find Goldie's killer.

Friendships are tested when Mick Reilly's best mate becomes embroiled in a murder investigation.

Alex's belief in the innocence of a serial arsonist leads her close to a fiery death.

The detectives are devastated when their scepticism about a woman's paranoid claims lead to a tragic killing.

Christey feels responsible when a grieving woman, who's brother was killed in an armed robbery, takes the law into her own hands and holds him and a suspect hostage.

Quinn and the Water Police are devastated when a young woman dies at the station; and, the detectives search for a kidnapped six year old girl.

Alex personal life throws her off balance leaving Christey and Reilly to solve the brutal slaying of a security guard.

A murder investigation leads Alex, Christey and Reilly to explore on-line relationships; and, Sykes dreams of becoming a detective.

When constable Matthew Quinn takes the law into his own hands, he ends up in trouble with his girlfriend, local cops and Hawker; and, Christey, Alex and Reilly face quandry when they track a young woman on the run.

When a retiring cop is bashed and tied naked to a wharf, Christey sets out on a mission to recover his dignity. Further investigations reveals the police officer's attacker is picking his victims from the local newspaper; and Reilly asks Alex out on a date.