Gary Noesner contends with finger pointing and his own guilt. With tensions flying high surviving Branch Davidians arrive in court. A flashback moment reveals that young Vernon Howell arrives at Mount Carmel before he become David Koresh.
Courtroom testimony gets heated as both sides argue on who shot first. Gary and Angie discover some interesting information. Vernon and Lois return from their pilgrimage while Gary pleads with FBI to take domestic terror threat seriously.
Cogdell tells his team about strange encounter and later has a meeting. Gary finds a clue that leads to a disturbing confrontation. Vernon invites Livingstone to join him in Texas and later make a declaration with huge repercussions.
Carol infiltrates Elohim City, where there is a chilling undercurrent about an imminent war. Cogdell has multiple wins during cross examinations but is unsure whether it will be enough. Carol struggles to keep her cover at Elohim City. Vernon's battle for control over Mount Carmel takes a perilous turn.
Gary finds himself under a ticking clock, hoping to prevent another disaster. The Branch Davidian trial concludes. Vernon returns to Mount Carmel, now the self-appointed prophet, David Koresh. Series finale.