The murder of her father sends a teenage tomboy on a mission of 'justice', which involves avenging her father's death. She recruits a tough old marshal, 'Rooster' Cogburn because he has 'true grit', and a reputation of getting the job done.
Peter Ustinov stars as the eponymous wraith, who returns to Earth to aid his descendant, elderly Elsa Lanchester (Stowecroft). The villains want to kick Lanchester and her friends out of their group home so that they can build a crooked casino. Good guy Steve Walker (Jones) gets caught in the middle of the squabble after evoking Blackbeard's ghost.