They search Deacon Maybury's trashed apartment looking for clues about his murder.
While searching a woman came to the apartment, Francine, looking for Deacon. They explained to her that Deacon had been killed and asked if she knew anything about it.
Ryan returns with her to her apartment. When he tells her it was no trouble at all, Francine tells him there will be trouble. Suddenly, Foe appears and kidnaps him. It is revealed that Francine is just an illusion, and she is really Mercy in disguise. Fortunately, Valkyrie and Skulduggery save him, and they escape by jumping out the window.
The find a map which leads to a shopping centre where the Doomsday Machine is held.
Skulduggery reveals that Crasis created the illusion of Ryan who is really Deacon Maybury. He recognised Ryan instantly but pretended not to.
They find the activation panel, but Foe's gang arrive. They fight, with Skulduggery defeating Mercy and Samuel and Valkyrie defeating Obloquy. Foe flees the scene when Samuel unleashes his vampire form. The vampire is defeated, however.
Ryan dismantles the machine, and Valkyrie comforts and kisses him. But then the illusion fades, and Deacon is revealed. Skulduggery tells him that he may escape, but only because Ryan was their friend.