When four escaped prisoners take control of a courthouse with Hondo and Deacon inside but unarmed, the two race to save the lives of innocent civilians while trying to avoid detection themselves. Also, Street visits his mother, Karen in the hospital and faces a pivotal decision.

The bombing of a police station puts Los Angeles on edge, leading the SWAT team to a final showdown with domestic extremists, the Imperial Dukes. Also, Hondo faces the fallout from a bold decision that threatens his future, and Tan takes a big step in his personal life.