The murder of a small-time criminal leads Lewis and Hathaway to a prominent Oxford don-turned-celebrity atheist.

The murder of a small-time criminal leads Lewis and Hathaway to a prominent Oxford don-turned-celebrity atheist, who years earlier had been the intended target of a botched murder attempt. Could these isolated incidents be connected? As the pair investigates further, they uncover a web of deceit and a case of mistaken identity that will lead them to their killer.