Eleanor is engaged to be married to Duke Robert. But on the night before her wedding, she shares a moment of chaste passion with her fiance's younger brother, Arthur. Though Eleanor and Arthur have been nursing secret feelings towards one another for some time, Arthur's endeavors to persuade her to run away with him have been futile, Eleanor insists that honor forbids them from ever being together.

But fate has other plans as her fiance' makes an unusual request of Arthur after a fatal accident.