In her heart, Grace knows the perfect, reliable, good-looking Gavin isn't right for her. Then she meets Danny. Unpredictable and spontaneous, he turns her world upside down. All of a sudden, Grace is seeing life differently and doing things she never thought she'd do. But tragedy strikes when Danny dies in a motorbike accident, shattering Grace's world. As she struggles to come to terms with her loss, she becomes more and more convinced that she's being followed - sighting a motorbike exactly like Danny's everywhere she goes. And she starts to wonder if Danny's death was really an accident. When she finally voices her suspicions to her family and the police, though, no one seems willing to believe her. Meanwhile Grace feels ever more under threat as sinister things begin happening to her. What was Danny hiding from her? And what kind of danger is she in now?