A fresh-faced college graduate named Brennan is full of hope, promise, and an obnoxious demon named Doyle. After a failed exorcism leads to Brennan’s untimely demise, his possessor is eager to steal his soul away to Hell to fill a quota. But an audacious angel, Esme, arrives just in time to stop Doyle from completing the heinous act, leaving Brennan to exist as a ghost in limbo while they sort things out.