Brenda and the squad investigate the murder of a hair stylist; Brenda's parents stop in for a visit on their way to Alaska; Brenda's father wants to know when she and Fritz are going to tie the knot.

When a reformed gang member is murdered, the case takes the team back to a familiar neighborhood where they find themselves unwelcomed. Brenda must figure out a way to solve what appears to have been a missed-mark murder and bring peace to an unstable community.

At the request of Detective Mikki Mendoza, the squad becomes involved in investigating a series of brutal murders that indicate a Mexican drug cartel may have moved into the city.

A family works to protect their late minister's reputation from scandal. Meanwhile, most of the Major Crimes Division is subpoenaed, raising suspicions about the one who wasn't.