Betrayed by her partner, Diana Locke marries David Jepson to honor her grandmother’s dying wish, only to learn that he is the heir to a vast fortune. However, David’s odd behavior and inability to fit in lead Diana to suspect he might have a mental impairment. In truth, David is a king from ancient times who has traveled to the modern era. Grateful to Diana for saving his life, David vows to protect her, and together they vanquish their enemies.