Ishmael Abajian has always been a play-by-the-rules kind of guy, so when he stows aboard a train to escape from dangerous pursuers, he figures his guardian angel will overlook it. Except each train car appears to represent one of the Seven Deadly Sins. And the demon conductor informs him that he is no longer alive, deepest condolences. Not to mention the accidentally-going-to-Hell part?tough break. Too bad there's no better luck next time.

Now trapped in a dark authoritarian world embroiled in power struggles and dreams of liberation, Ishmael teams up with a girl who may-or-may-not be a murderer in order to recover their lost memories and escape. However, as a free soul condemned neither to Hell nor Paradise, Ishmael is something that some demons have been waiting for, while others will stop at nothing to destroy: change.