He receives a supernatural warning about Liv Aberdine , who is threatened by mysterious forces .
John Constantine , an unscrupulous exorcist and master of the dark arts , recovers in a mental institution following a failed exorcism , which resulted in his soul being damned .
John Constantine receives a supernatural warning about Liv Aberdine , who is threatened by mysterious forces .
John Constantine , an unscrupulous exorcist and master of the dark arts , recovers in a mental institution following a failed exorcism , which resulted in his soul being damned .