Lady Morwenna Trelawny Penvenan indulged in dalliances in her youth, but the widowed mother of the heir to the Penvenan title is desperate to polish her reputation. Accused of deliberately luring ships onto the rocks to steal the cargo, Morwenna decides to uncover the real culprits. And she stumbles across an unconscious man in the sea''s foam - wearing a medallion with the Trelawny crest around his neck.