In 1668, fifteen-year-old Kemosha is sold by a slave owner to a tavern keeper in Port Royal, Jamaica—the "wickedest city on earth." She soon flees from a brutal assault and finds herself in the company of a mysterious free Black man, Ravenhide, who teaches her the fine art of swordplay, introduces her to her soul mate, Isabella, and helps her win her freedom. Ravenhide is a privateer for the notorious Captain Morgan aboard his infamous ship, the Satisfaction. At Ravenhide's encouragement, Morgan invites Kemosha to join them on a pillaging voyage to Panama. As her swashbuckling legend grows, she realizes she has the chance to earn enough to buy the freedom of her loved ones—if she can escape with her life ...