On an uninhabited island in the Florida Keys, Bruce and Erin Foster find an ancient golden goblet with mystical properties. The next day Bruce disappears and a young boy shows up in his place. Erin must find her husband, solve the mystery of the boy, and evade those who seek to take the goblet from her. As Erin learns more about the goblet, she finds that it may be both the source of her problems and the solution.