Forensic pathologist Dr. Elle Penrose is trying her best to discover just a single shred of evidence on an ongoing serial kidnap murder case, striking fear into the lives of teen boys throughout Southwest England. Her psychologist husband is reluctantly brought on board to give a profile. Once they realise the latest victim is too close to home, how can he not get involved.

Most teens dream of visiting the City of Lights, but it feels more like a nightmare for Sophie Brooks. She and her brother are sent to Paris to spend the summer with their father, who left home a year ago without any explanation. As if his sudden abandonment weren't betrayal enough, upon arrival in Paris, the siblings learn that their father is about to remarry. And to make matters worse, they're expected to play nice with his soon-to-be wife and stepdaughter, Camille. Camille, agrees to show Sophie and her brother around Paris, but she quickly makes it clear that she will do everything in her power to make Sophie miserable. Sophie could deal with all the pain and humiliation if only she could practice piano. Her dream is to become a pianist, and she was supposed to spend the summer preparing for a scholarship competition. Even though her father moved to Paris to pursue his own dream, Sophie feels that he clearly doesn't support hers. His promise to provide her with a piano for practice goes unfulfilled. However, an unexpected and handsome new friend comes through in a big way to help Sophie both pursue her dream and learn what's most important in her heart.