Clare knows - it Simon, former husband, killed their daughter.And able again to kill.When life of Simon settles into a shape after a divorce, he leads family, and Clare begins to be afraid of for life his newly made stepdaughter - so look like their lost girl. In attempts to alert fiancee Simon to his veritable nature Clare goes across all borders : threatens, pursues and causes genuine fear.Слоан Уилсон, retiring from a police, got used to work with such people. But, getting used, she sees more than the psychopath obsessed by former. And possibility to distinguish sickly fiction from a destroying true does not remain.But one Слоан knows full surely : sometimes only method to prevent a crime - to accomplish it him.