Donna Parry's first day as a city cop is more than she'd counted on when the police station is rocked to its foundations by a convicted cop-killer determined to exact his own vengeance.
Our Young Lions are still idealistic, even heroic. There is nothing world-weary or cynical about them. They want their lives to mean something: they want to make a difference. That's why Donna Parry's headed for the big smoke.
Politics become personal and passionate for Eddie, Donna and Madeleine as they investigate a riot at a Sydney detention centre and the escape of a teenage refugee.
The detectives spend a night on the streets against a backdrop of simmering tensions, while Cameron plumbs the depths of her own soul to connect with a killer.
A reporter's interest in a fatal hostel arson case in which an alleged police cover-up sent the wrong man to prison prompts Kostas to put the Eddie and Donna on the reopened case. When Guido learns the target of their investigation he is forced to confront the truth about his legendary detective father and the role he played in the conviction.
Guido's Naval Captain brother returns home a hero, and tensions between the brothers surface as a female naval officer is found murdered. Cameron again finds herself working alongside Bill Martin to rein in a Chinese gang leader.
Donna loves the police force and Crime Scene Examiner, Justin Carmody. Her feelings for both are tested as she investigates a fatal car smash involving police.
With Irena's condition uncertain, the search for the serial killer continues. Donna life is put on the line when she becomes involved in a hostage situation.
Cameron's new lover accuses her partner, Guido Martin, of stealing money while he's working undercover. The lover has first-hand experience - he's a hitman.