After breaking his hard-earned romance, Davey Jones deflects his heart and leaves it in a chest and holds the key to it. Jack, who owes Jones to his salvation, tries to find that chest, but needs a key to open it. On the other hand, Will Turner and Elizabeth Swan are set to marry, but Cutler Beckett condemns them to the death penalty for Jack Sparrow, and the only way to save them is to return Jack and His compass, titles.
Jack will help with the key to find the key to the Will. Will and Elizabeth are in a difficult line between them and Jack who must choose either to be killed or married together.