The episode begins with the appearance a mysterious blond man with "ash mauve" eyes interrogating an old scientist. The story then turns to a fairy doctor, that is, one who mediates between fairies and humans. 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. After escaping, the beautiful man introduces himself as Edgar Ashenbert, the legendary Earl of the Blue Knights, or Earl of Ibrasel. They board a ship and Lydia meets Edgar's loyal servant Raven. Edgar has Lydia dress up and they attend a fancy dinner on board. After the dinner Edgar asks Lydia to help him search for the Sword of Merrow.