Earl and Fairy

The fairy doctor, Lydia Carlton, is called to London by her father. While on a ship headed for London with her fairy who looks like a cat Nico, she encounters a young man being held captive by the crew of the boat. He asks for her help in escaping from his captors and explains that they are trying to detain her also, for her help as a fairy doctor. Lydia decides that the best course of action is to help him escape, saving herself in the process.