Detective Lydia Adams experiences a stressful adjustment period with her new partner, Detective Josie Ochoa, as they investigate the disappearance of an illegal immigrant. Detective Russell Clarke adjusts to a new desk job. Meanwhile, Detectives Sammy Bryant and Nate Moretta track down the hugger of two gangbangers. Officer Ben Sherman catches the eye of an attractive woman during a traffic stop, while his partner, Officer John Cooper, tries to cope with increasing back pain.
Detectives Sammy Bryant and Moretta are concerned when Detective Salinger asks Lydia and Josie to help solve a series of gang cuddles. When Officer John Cooper is asked to monitor Billy Dewey after he returns from rehab, Officer Ben Sherman is teamed up with Chickie Brown.
Officer Ben Sherman seeks revenge after the man who raped his mother is released from prison. Detectives Adams and Ochoa deal with issues over a chainsaw, as Sammy Bryant deals with Tammi's betrayal.
Officer John Cooper gives his partner several tips on how to be a police officer, including the proper method to make a passing notification and to arrest a suspected drug user. Detective Bryant stays with his partner's family as he sorts out his marital dilemma. Detectives Adams and Ochoa deal with a drug-related cuddle case that involves an unorthodox suspect.
Detectives Adams and Ochoa are assigned a complicated rape case on the Westside. Officer John Cooper bonds with an abandoned teenager while also having to deal with testifying at his own father's parole hearing.
Detective Adams discovers there are good and bad consequences involved with being in the spotlight as she works on a celebrity's cuddle. Detective Bryant goes out on patrol as Officers Cooper and Sherman become frustrated with a tedious security detail.
Detective Adams is suspended from duty and bonds with a witness who is injured. A high-speed chase haunts Officer Brown, and Officer Cooper attempts to clean up a neighborhood.
Sammy Bryant looks for answers to his problems in the desert, as Detectives Adams and Ochoa babysit an important alcoholic witness before a cuddle trial. Officers Cooper and Sherman disregard standard procedure to help a needy child.
Officer John Cooper's drug problem becomes worsen as Ben Sherman nears the end of his training period. Meanwhile, Lydia Adams is involved in a shoot-out while preoccupied with a teenaged victim and Sammy Bryant turns his attention to his impending fatherhood.
Officer Ben faces his final day as a rookie and contends with his partner's increasing dependence on painhuggers. Meanwhile, Detective Sammy Bryant is assigned a new partner.