Following the murder of Terry, the Internal Affairs Division begins an investigation into his death, while Aceveda begins his own. Meanwhile, Dutch and Claudette investigate the shooting of a churro vendor that ends in the Barn's detectives busting up a gang initiation.

Vic attempts to broker a peace agreement between two rival rappers after a dispute over an up-and-coming singer's success erupts in a gang war. Danny is attacked after identifying a shooter, Julien helps a woman whose son's body has been stolen, and Dutch and Claudette search for a missing migrant worker.

Vic's relationship with Shane becomes even more complicated when the pair team up with a detective from another precinct to investigate the murder of several gang member. Meanwhile, Dutch and Claudette bring in a psychic on a complaint from the son of one of her clients.

Allegations against the Strike Team are front-page news, and the team is reassigned pending the investigation. Vic and Claudette find themselves following the trail of a deadly meth batch, while Shane and Dutch team up to investigate the unsolved murder of a widow's husband.

Aceveda turns to Claudette after a double homicide raises ire and fear within an ignored community. Vic is forced to help Gilroy avoid being implicated in a hit-and-run, while Shane and Lem follow the trail of a gunrunner with a penchant for cockfights.

In the aftermath of a riot, cops are being lured into ambush shootings by a rash of bogus 911 calls. Vic and Aceveda are forced to work together to stop the attacks and solve the problems in the Grove, while Gilroy attempts to pit the two against each other in an effort to save his own job.

Flashback to the first day of the Barn. Under pressure to get results, Vic and the newly-formed Strike Team make an impression on the streets. Dutch and Claudette realize they make a good team, and Aceveda discovers he doesn't have as much power as he thought he would.

When Lanie's report on the Barn is leaked to the press early, everyone fears the prospect of losing their jobs, including Aceveda, who's mentioned as the reason for most of the precinct's problems. Meanwhile, Gilroy skips bail and winds up on Vic's doorstep looking for help, forcing Vic and Shane to deal with him while Lem shows Strike Team newcomer Tavon the ropes; and Claudette faces some of her own demons as she and Dutch try to uncover the culprit behind a possible robbery/homicide, while Danny comes to a startling realization.