For more than 25 years, Philadelphia homicide detective Bree Taggert has tucked away the nightmarish childhood memories of her parents' murder-suicide ... Until her younger sister, Erin, is killed in a crime that echoes that tragic night - innocent witnesses and a stormy marriage that ended in gunfire. There's just one chilling difference. Erin's husband, Justin, has vanished. Bree knows how explosive the line between love and hate can be, yet the...