Harris devises a novel plan to nab a high-profile gangster named Craig Levine that involves operative Chris going undercover into the world of female boxing.
Chris goes undercover with a gang of teenage burglars. But what should have been a simple case gets suddenly complicated when one of the gang, Slug, turns up dead.
Harris plays it close to the bone when he goes undercover in a psychiatric clinic as a patient. Inside, he targets Evelyn Ballantyne the unstable sister of a murder victim.
His addiction to opium rapidly taking hold, Luke Harris is heading into extremely dangerous territory and Church is about to uncover his boss's dark secret.
Angie arrives home late one night to find her sister Sam, dying of a massive stab wound. Why she has been murdered in such a terrible way is a total mystery.
Chris discovers a heart of darkness when she searches for the murderer of an old friend. As she becomes entwined in the lives of the boy's mates, she finds out the truth is more shocking than she imagined.
An investigation of a liquor store robbery takes an unexpected turn when one of the gang members claim they are being protected by the Walrus, a corrupt cop.
Church has established himself as the muscle in a close-knit Italian crime family, prolific producers of meth. When the head of the family discovers that his son has been seen in the company of a cop, he takes the cop hostage.
Chris convinces a young prostitute to give her information about a blackmail scam at a brothel. The client she names refuses to talk, and the prostitute is later found with her tongue cut out.
While on a deep cover operation, Church is intercepted by a couple of thugs and thrown off a building. Waking in hospital with minor fractures and head trauma, Church discovers his memory has been completely wiped.
When Church misbehaves on a drug bust and is accused of corruption by an unnamed informant, he is investigated by Internal Affairs. The Undercover team unearth evidence that an IA cop is framing Church.
Undercover works with Task Force Domino to investigate a rash of gangland killings over drug territory. Detective Buzz Rutherford works with Undercover as the task force Liaison Officer.
Angie goes undercover as the long-lost daughter of contract killer William Franks. A notorious assassin, Franks hasn't seen his daughter since she was a three years old when he was imprisoned for the murder of his wife.
An investigation of an illegal brothel that trades in sex slaves leads undercover to the case of a missing girl. She was kidnapped three years ago at the age of 15 and is presumed dead, but her mother knows she is alive.
Angie tries to clear her lover's name while Harris works equally hard to convict him as the serial killer. Convinced Sean Hunter is innocent of the attack on Sophie, Angie sets out to exonerate the man she loves and catch the real killer.