Middle-aged Ann and her teenage daughter Joanna manage a failing hotel on an island off the British coast. One day, the hotel receives an unexpected guest, a man named Joe.

London nightclub buddies Salt and Pepper link Pepper’s dead twin to diamond smugglers.

Paul Gregory (William Sylvester) is an accomplished composer despite his blindness, and his beautiful wife Anne (Barbara Shelley) seems to be the perfect supporting wife. But unknown to Paul, she…