Lady Caroline Faye and Lord Vane Brecon meet under unusual circumstances and are immediately attracted to one another. Later, Lady Caroline learns that Lord Brecon has been accused of murder. She embarks on a plan to prove him innocent, while also warning him that his cousin, Gervaise Warlingham, may be trying to frame him. Posing as a commoner, she accepts a position at Lord Brecon's estate as companion to his mother. Will dangerous family secrets keep the lovers apart?