Jack Nightingale is on the hunt for the sister he never knew he had. Just three days ago he did a deal with a devil to save his soul from burning in Hell. Now he's determined to rescue the only family he has from the same fate. As a private detective Jack's used to finding missing people. But tracking her down is no easy task. Every lead he follows seems to end in gruesome death, as someone, or something, tries to stop him succeeding. And even if Jack does find his sister, is her soul worth saving?