In the wake of the deadly siege at Waco, Gary Noesner contends with finger pointing and his own guilt; the surviving Branch Davidians arrive in court; a young Vernon Howell arrives at Mount Carmel, before he would become David Koresh.

Courtroom testimony grows heated; Gary and Angie discover some information during a stakeout at an Aryan Nation flophouse; Vernon and Lois return from their pilgrimage; Gary pleads with FBI brass to take the domestic terror threat seriously.

Cogdell tells his team about a strange encounter and has a meeting with a man who might not be as crazy as he seems; Gary has a disturbing confrontation; Vernon invites Livingstone to join him in Texas and makes 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; Carol struggles to keep her cover at Elohim City; Vernon's battle for control takes a perilous turn.

Gary finds himself under a ticking clock, hoping to prevent another disaster; the fate of the Branch Davidians is revealed as the trial concludes; Vernon returns to Mount Carmel, now the self-appointed prophet, David Koresh.