Donovan Darthe isn't your typical grim reaper. He's a paranormal executioner, charged with executing the worst of the worst evil paranormal creatures alongside his sandman partner Sommeil Martin.

But when oracle Adriana gives them an assignment—to kill a yeti who slaughtered a swarm of harpies—the partners realize an oracle's magic is fallible. That realization just might threaten the entire operation of HEX Unite, whose sole goal is to keep the paranormal world safe and secret.

When magic fails, the entire world just might fall apart.