DI Monica Kennedy

Seven days. Four deaths. One chance to catch a killer. Sixteen-year-old Robert arrives home late. Without a word to his dad, he goes up to his bedroom. Robert is never seen alive again. The discovery of a body on the coast of the Scottish Highlands plunges Detective Inspector Monica Kennedy into a murder investigation that won't begin and end with one death. Meanwhile, seventeen-year-old Nichol has been missing for seven days. His last message was to social worker Michael, who can't quite shake the suspicion that something is terribly wrong.

Three mistakes. Two murders. One more victim to go... Annabelle speeds along a deserted mountain road in the Scottish Highlands, suddenly forced to swerve. The next thing she remembers is waking up in a dark, damp room. Scott is camping in the Scottish woodlands when he hears a scream. He starts to run. Scott is never seen again. Meanwhile DI Monica Kennedy has been called to her first Serious Crimes case in six months—a dismembered body has been found, abandoned in a dam.