Having left the hollers of Kentucky 15 years ago, Raylan Givens is now based in Miami, balancing life as a marshal and part-time father of a 15-year-old girl. A chance encounter on a Florida highway sends him to Detroit and he crosses paths with Clement Mansell, aka The Oklahoma Wildman, a violent sociopath who’s already slipped through the fingers of Detroit’s finest once and wants to do so again.

Season three reveals an origin story set centuries earlier, while continuing the saga of a dystopian society of 10,000 people living underground under mysterious circumstances. In the present, Juliette Nichols survives her forced "cleaning" but returns with memory loss as the silo recovers from rebellion and faces a dangerous new threat. Meanwhile, in the "Before Times," journalist Helen Drew and Congressman Daniel Keene uncover a conspiracy that pulls them into a chain of events with catastrophic, irreversible consequences.