Henry, as a child, vowed to lift the curse from his father Will Turner, because of which he must forever sail on the Flying Dutchman and transport ghosts. Only the Trident of Poseidon is able to return Will to his normal appearance. Karina is a talented astronomer who was ahead of her time. The girl believes that with the help of knowledge she will find the Trident of Poseidon, and that, in turn, will help unravel the mystery of her past. But they cannot cope without Jack Sparrow, the greatest of all pirates. But the dead men, led by Captain Salazar, who have risen from the depths of the sea, are hot on his heels. Jack needs the Trident of Poseidon to survive. Without it, he will not be able to cope with such a formidable force. They have no time, and there are more enemies than friends. Will they be able to win this time too?