Police officer Vic Mackey and the Los Angeles Police Department attempt to rid the city of crime, using their own unconventional, and often illegal, methods.
18 months into a significant police project, detective Vic Mackey and his team prepare to take down a major drug dealer who has never been caught with his products before.
Aceveda turns up the heat in the investigation of Mackey and his team after the shooting of a police department informant.
It's Sweep Day on the Farm as Mackey and his team move to take down an old foe, but they end up arresting a basketball star in the process.
A dispute over a singer's success erupts in a gang war, and a case that could help Aceveda's political future sends Dutch and Claudette searching for a missing labourer.
Mackey must recover the stolen evidence from a drug bust before Aceveda is able to pin the theft on him.
When Dutch's theory about a serial killer preying on prostitutes proves true, he convinces Aceveda to launch an all-out effort to find the murderer before he strikes again.
The murder of seven gang members causes Vic to be teamed up with a Latino detective assigned to crack the case.
With his team reassigned during the evidence theft investigation, Vic teams up with Claudette in order to keep some deadly drugs off the street.
Lemonhead sets out to make things right following his shooting of an unarmed man.
Dutch uncovers a lead to the serial killer, and a reporter's questions force Aceveda to explain problems he thought were buried far in the past.
A confrontation between a local drug dealer and Black Muslims places Vic in danger of being exposed.
A deployment policy leads to a double homicide that places Aceveda in the hot seat, and Vic is forced to help Gilroy avoid being implicated in a hit-and-run.
Aceveda is caught between two corrupt cops looking to save their own skins as a wave of police killings strike Farmington.