As usual, seventeen-year-old Alice Teale walked out of school at the end of a bright spring day. She's not been seen since. Alice was popular and well-liked, and her boyfriend, friends and family are desperate to find her. But when the police start asking questions, it becomes clear that almost everyone has something to hide. Torn between a host of suspects, Detectives Beth Winter and Lucas Black don't know which way to turn. But then they receive a disturbing package: pages from Alice's precious diary. Who could have sent them? And what have they done with Alice?