After a shootout in a tow yard leaves three people dead, Major Crimes must scramble to find a disturbed man with a bag full of guns and a long list of grievances before he kills again. Meanwhile, Rusty pushes against LAPD policy in an attempt to find more evidence related to the murder of Buzz's father and uncle.

When a jogger takes a nasty fall down the steps of L.A.'s storied Greek Theatre, Major Crimes finds itself investigating a divorce attorney with a lot of angry clients, and Lt. Tao goes undercover in the world of college age hookers. Meanwhile, Buzz connects his partials to a complete print, and learns the identity of one suspect.