In this unforgettable one-shot story, Mike Carey and John Paul Leon (THE WINTER MEN) tell a twisted tale of things that aren't what they seem. Constantine happens upon an argument between twin sisters that turns into a hunt through London for mysterious items to quell the sibling fire. But when a bizarre sickness begins to shadow him, he realizes he'll need help from some 'special' friends to get him out of this terrifying, deadly mess.