William and Elizabeth were sentenced to death for contact with Jack Sparrow. In order to save Elizabeth, Will agreed to bring Jack's compass in exchange for the freedom of him and Elizabeth. At the same time, Jack is chased by David Jones. Elizabeth escapes from prison to find Will. If Jack finds the special key that can open the special treasure chest, he will agree to trade Will with his compass. To find the key, Will boarded the Flying Dutchman and was captured as a result. His father met him in the Flying Dutchman. He found the key and fled the ship. At the same time, Jack asked Elizabeth to find the box containing David Jones's heart. Will and Elizabeth met on the island, opened the box, and found the heart of David Jones. Jack hopes to use it to pay off his debt to Jones, Will hopes he can free his father, and someone else wants him to meet his own needs. Who is this mysterious person and what do you want to use them for?