An investigation of a missing federal agent's remains leads Brennan and Booth to the Nevada desert, where they become immersed in the underground world of ultimate fighting.
As the team investigate the murder of two Marines' wives, they begin to believe the attacks could be racially motivated.
The BAU is Florida-bound to investigate bodies discovered buried in the ocean floor off Jacksonville, but the case rattles Morgan when his aunt suspects that her missing daughter is one of the victims.
Jonas tries to rescue a group of missionaries from Indonesia, but soon finds himself outgunned. Meanwhile Molly, Kim and Tiffy prepare to host a visiting senator.
With members out scavenging for supplies, Negan's unwelcome visit to Alexandria continues. With tensions high, things quickly spin out of control.
