Daniel believed that his parents were enjoying a peaceful retirement on a remote farm in Sweden, the country of his mother's birth. But with a single phone call, everything changes. Your mother's not well, his father tells him. She's been imagining things - terrible, terrible things. In fact, she has been committed to a mental hospital. Before Daniel can board a plane to Sweden, his mother calls: Everything that man has told you is a lie. I'm not mad. I need the police. Meet me at Heathrow.