A new generation of law enforcement hunts the resurgent BTK, who delights in communicating with police and the media about his murders; he is finally arrested, bringing relief to Wichita -- but shock and horror to his family.
Dennis Rader, aka BTK, confesses to 10 murders and points police to the disturbing hoard of evidence against him; the depth of his depravity is revealed, along with the lasting effect he had on those in his orbit, especially his own daughter.