Marcus Thorne, a notorious pirate who has return to land and has become a highwayman, vows to uncover the secrets of the Royal Navy and exact revenge against the man who stole from him. Instead, he captures the enemy’s daughter and keeps her as his prisoner to satisfy the debt.

Isabelle Stanhope sees her captor, this mysterious masked man, as a savior. She’d much rather be in his company than participate in the marriage arranged by her father. Can keeping her prisoner set things right for Marcus, or is he about to suffer another theft—his heart?