In the wake of tragedy, LBPD training officer Traci Harmon takes on new trainee, Alex Diaz who on day one is already learning the job is harder than he imagined.

A chaotic street takeover finds our officers grossly outnumbered, revealing philosophical rifts inside West Division.

Desperate for a lead, Harmon goes off book resulting in a major breakthrough and a deadly showdown.

Back on patrol, the rift between Harmon and Diaz comes to a head.

A shot caller's revenge mission results in West Division going head to head with an entire gang.