Capt. Raydor approaches Major Crimes about delicately looking into a possible case of spousal abuse involving one of her female officers. On the home front, Fritz becomes increasingly irritated at feeling ignored by Brenda.

The discrediting of a crime lab frequently used by the LAPD brings several old cases up for review, including one Provenza closed seven years ago with his former partner, Det. Andrews. Andrews comes out of retirement to help with the case, but he isn’t exactly prepared to testify in the new trial, throwing a wrench [...]

When an adolescent boy is found murdered where members of the Tres Colores gang frequently spend time, the subsequent murders of two more gang members point Brenda and the team to gang warfare. Unfortunately, the evidence trail leads them in a different direction.