The film describes the events leading up to, and including, the massacre of the adults of a small town in Nebraska by their children, after the adults' irresponsibility ruins the crop and the children's future.

Captain Jack Sparrow searches for the Trident of Poseidon to rule the sea while being pursued by old rival Captain Salazar and a crew of deadly ghosts who have escaped from the Devil's Triangle.

Federal Agent Aaron Falk returns to his home town after an absence of over twenty years to attend the funeral of his childhood friend, Luke, who allegedly killed his wife and child before taking his own life - a victim of the madness that has ravaged this community after more than a decade of drought. When Falk reluctantly agrees to stay and investigate the crime, he opens up an old wound - the death of 17- year-old Ellie Deacon. Falk begins to suspect these two crimes, separated by decades, are connected. As he struggles to prove not only Luke's innocence but also his own, Falk finds himself pitted against the prejudice towards him and and pent-up rage of a terrified community.

Captain Jack Sparrow is pursued by old rival Captain Salazar and a crew of deadly ghosts who have escaped from the Devil's Triangle. They're determined to kill every pirate at sea...notably Jack.