Greg, a married man, has been having an affair for three years with another man's wife. One evening, after a fight with her at their rented love nest, he storms out. When he returns an hour later she is dead. Did he kill her in a fit of rage and blank it out, or did someone else do? Detective Superintendent Roy Grace soon discovers that there is more than one person who had a reason to kill her. But one man has the most to lose—and when his marriage and career are at stake, what lengths will he go to protect all that he holds dear?