The biggest questions in Mark Tilesbury's life have generally been fairly straightforward: How exactly did he end up as the assistant to celebrity psychic Greg Rambler? If the dead are getting in touch, why are they always so happy about things? Why is it always him who buys the drinks after the show? Things get a lot more complicated when a chance meeting with a very strange man lands him in the middle of a war between the last remnants of the angels...