Cameron is torn between Guido and his father, Senior Detective Bill Martin, and she soon finds her integrity and a boy's life are in the line.

The report of a suspicious death at a nursing home brings Eddie back into contact with a former neighbour who helped him after the death of his father. Cameron must also confront her past when her former bestfriend asks her for help to keep her arrest for shoplifting quiet in hopes of preventing her fiancé (Cameron's ex-boyfriend of three years) from finding out. Donna must decide if she should tell Eddie about Madeleine's relationship with Rob.

Donna and lawyer flatmate Madeleine Delaney are in ethical conflict as they fight to save a woman charged with murder for preventing rape.

Eddie's faith and his friendship with Father Paul Moran are tested when Irena's sister goes missing and foul play is suspected.

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.

Donna confronts another reality of being a woman in the city when she defends a woman who is charged with murder after she kills a rapist

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.

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

Guido's undercover past threatens his job at Southwest 101 when he becomes the prime suspect in the murder of Vincent Rinaldi, a crime figure Guido was involved with while working undercover and whose $2 million he is now being accused of stealing. As his colleagues' trust in him is put to the test, Guido's sole focus is on locating a missing 18-year-old girl, leaving him at risk of sacrificing everything for a girl he has never even met.

The detectives of Southwest 101 investigate the staff at a prestigeous school to identify the source of child pornography found on a school computer. Donna subjects Eddie to the "Kenny test" when her brother comes into the city for a medical appointment. Cameron's trust in Guido is further tested when he refuses to investigate following a close encounter with a speeding car. His dismissal of the incident gives Cameron more reason to be concerned about his alleged ties to organised crime. A second attempt on his life is more successful.

The detectives of Southwest 101 investigate the murder of a female backpacker. Cameron's new lover accuses her partner, Guido Martin, of stealing money while working undercover. The man has first hand experience—he's a hitman.

Guido Martin wants two things in his life—his job and the woman he loves. He can't have both. And the job is setting him on a collision course with Eddie Mercia whom he accuses of beng involved in a cover-up. Donna and Cameron investigate a series of convenience store robberies committed by two transsexuals.

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. But her 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. But her 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.