In this romantic drama, Zachary Morgan (Joseph Cotten) and Mary Marshall (Ginger Rogers) meet on a train and immediately sense a mutual attraction. However, both Zach and Mary are shouldering significant secrets: he is a traumatized war vet on leave from a military hospital, and she is a convict who has been temporarily released from prison for the Christmas holiday. As the attractive young couple spends time together, their secrets threaten their budding relationship.