Documentary filmmaker Cullen Hoback sets out to demystify the origins of QAnon, understand its mechanics, and search for clues that could identify Q. Traveling from the U.S. to South Africa, he gains unprecedented access to its earliest promoters, who reveal a suspicious shift in Q's behavior.

Jim goes before Congress for a hearing on hate speech. Cullen chases a lead suggesting Steve Bannon might be involved with Q.

As Cullen embeds with operatives seeking to exploit Q, Fred's rivalry with Jim escalates, forcing him to plan a great escape.

As QAnon-fueled conspiracies culminate in the U.S. Capitol siege, Cullen reveals the forces behind Q.