In the eighteenth century sixteen-year-old John Spencer sails from England in his schooner, the Dragon, to the Caribbean, where he and the crew encounter pirates, fierce storms, fever, and a strange man who some fear may be cursed.
Shipwrecked after a vicious storm, fourteen-year-old John Spencer attempts to save his father and himself while also dealing with an evil secret about the Cornish coastal town where they are stranded.