Season 6

Oscar Stone's Killer is brought to trial in a situation of high security. The accused is represented by a high profile criminal barrister, Ingrid Burton.

When Church goes undercover as an armed robber, he is busted by a young cop. Harris is so impressed that he arranges for her to join Undercover for a trial period.

Church's undercover assignment results in the kidnapping of a drug dealer's son. Meanwhile, Chris finds herself on what appears to be a routine surveillance job at a video store.

An undercover attempt to sting a drug distributor results in tragedy, with accusations made against an undercover operative.

Harris sends Chris undercover to infiltrate a violent gang of brothers despite Church's reservations about her inexperience.

A middle-aged woman, Helen, brings a cardboard box into police headquarters claiming it contains a bomb.

Church's hapless pursuit of the coke happy Vidarl crew takes a turn for the worst when most of them turn up dead - victims of a bloody armed robbery.

Church goes undercover on a building site to investigate union corruption and the disappearance of activist Craig Shore.

Church goes undercover on the construction site where Ingrid Burton's client, Steer, was murdered. Church is convinced that Harris is corrupt and goes to extreme lengths to prove it.

Church and Angie continue piecing together links between Conrad, suspected drug kingpin Sting Endquist and known union basher Rick Tyson. Harris suspects Church of corruption.

Harris is clearly losing it and is convinced that his officers are out to get him. In his paranoid state, he decides it's time to do something about Church...kill him.

The cat is well and truly set among the pigeons when Church and Harris are forced to work together determined to catch two small-time dealers.

Church and Harris find themselves under extreme pressure to clear their names after the Police Integrity Unit are tipped off about the duo's possible involvement in a drug trade.

When drug boss Sting Endquist survives an attempt on his life, Church convinces him that the assailant was Stone's killer, Conrad.