On the night Brian Bishop murdered his wife he was sixty miles away, asleep in bed at the time. At least that's the way it looks to Detective Superintendent Roy Grace, who is called in to investigate the kinky slaying of beautiful socialite, Katie Bishop.
Roy Grace soon starts coming to the conclusion that Bishop has performed the apparently impossible feat of being in two places at once. Has someone stolen his identity or is he simply a very clever liar?
As Roy Grace digs deeper behind the façade of the Bishops' outwardly respectable lives, it becomes clear that everything is not at all as it first seemed. Then he digs just a little too far, and suddenly the fragile stability of his own troubled world is facing destruction.