Caspian dreams of adventure and travel, a life away from a family he feels shackled to. When the infamous Captain Keelhaul Jack comes to the Sunken City, Caspian jumps at the chance for a new life and decides to stow away on the captain's ship. Caspian quickly proves his worth to the crew of the Chained Maiden, and soon is immersed in their adventures at sea, dangerous adversaries...and the handsome sharpshooter.

Jack has kept a secret from his crew, and after a deadly ambush from a longtime rival, it is time to come clean. But not all are on board with Jack's plan.