Someone is looking to hire a hitman, so Church goes undercover. Surprisingly, his client is a woman ...

A policeman has been shot. Undercover is called upon to infiltrate a suspected Romanian gang, but th...

Undercover is called in to find a serial killer. When Angie's cover is blown, Kaye becomes her repla...

Following Kay's disappearance, the Unit goes into damage control, scrutinizing the surveillance foot...

Whilst undercover, Church is employed by a brutal mercenary, Cameron Fraser, to assist in the abduct...

Following the drug-related death of a young clubber, the unit attempts to crack a large scale Ecstas...

MacKenzie is put undercover on the witness protection scheme to befriend a victim of attempted murde...

While taking part in a buy/bust, Church and his dealer inadvertently get caught up in a siege instig...

The Professional Integrity Unit investigates undercover over claims of corrupt handling. After evide...

Church is forced to drop his longtime informant, Benny. Benny is outraged, but as a last hurrah, he ...

Working undercover with bikies, Church sets up a buy/bust which turns sour after Stone is bashed and...

After Stone is nearly shot during a meeting with a dealer, Mac is worried about Stone's well-being w...

The Unit goes undercover to locate a charismatic prison escapee, Kane, who accuses the police of wan...

Stone and Angie go undercover to infiltrate "Mother Earth," a radical environmental group suspected ...

Church encounters Stone as part of the environmental extremist group. Stone wants to report to the u...

Someone is killing prostitutes and when a second woman is found murdered, MacKenzie and Angie go und...

When Church goes undercover to investigate a murder, he inadvertently ingratiates himself with the R...

With the help of the unit, Church manages to impress Dino Rossi and weaken the position of his right...

With Church recruited by the Rossis, Angie goes undercover to investigate one of Dino's contacts. Ch...

While the Unit learns of Church's relationship with Christina, Church is forced to come to terms wit...

Information comes to light that someone is trying to sell Dino details about Church. With his identi...