Jack Sparrow wants it so he can end the curse that he set upon Captain Salazar ( Javier Bardem) so that he might stop his mission of vengeance against him.
Henry Turner ( Brenton Thwaites) wants it so he can relieve his father Will Turner ( Orlando Bloom) from being doomed to stay aboard The Flying Dutchman, sailing the bottom of the sea for years at a time and missing out on a life with his family. The plot of Dead Men Tell No Tales revolves around the MacGuffin of Poseidon's trident because it has the power to nullify any curses on the sea and those who sail it.
