Summer, 1936. Writer Josephine Tey joins her friends in Portmeirion, meeting with Alfred Hitchcock to sign film deal. Hitchcock has a few tricks planned to keep the party entertained, but things get out of hand when a Hollywood actress is brutally murdered. As fear and suspicion take over, Chief Inspector Archie Penrose becomes unsatisfied with the investigation. Several years later another horrific murder drives Penrose back to Portmeirion to uncover the shocking truth.