Alan (Joseph Cotten), a soldier stationed in Italy during World War II, writes love letters for his ineloquent friend, Roger (Robert Sully), to his romantic interest at home, Victoria. Alan falls for Victoria through their correspondence despite his engagement to another woman. After being wounded, Alan returns home only to learn that Roger and Victoria have died under strange circumstances. However, an amnesiac named Singleton (Jennifer Jones) might hold the key to the mystery of their deaths.