A sea captain, possessed by a Great Old One for 93 years, seeks to undo the evil he committed in the name of the Esoteric Order of Dagon, but the cult will stop at nothing to destroy him.
H. P. Lovecraft's the Old Ones
A retired sea captain, Russel Marsh, was possessed by a malevolent entity for nearly a century, driven to commit unspeakable atrocities under the influence of the Esoteric Order of Dagon.