The Occido Lumen is gone. Stolen. Setrakian and Fet race to recover it. Gus and Angel try to hide a secret houseguest while avoiding a police sweep, and Quinlan's thirst for vengeance is revealed.
Setrakian and Fet track down the Occido Lumen while Eph and Quinlan head to the spot where they are supposed to swap Zach per the book with The Master. Meanwhile, Quinlan's origins and hate for The Master is disclosed in flashbacks. When Eph and Quinlan arrive to the place, Kelly brings a kid with a hood covering the face. Is the kid Zach?—Claudio Carvalho, Rio de Janeiro, Brazil