Shot in and near San Antonio, Texas,[1] it was directed by, co-edited and co-written by San Antonio television anchorman and future comic book artist Pat Boyette[2] who also scored the film with public domain music and drew the film poster.
San Antonio horror host Joe Alston appeared in the film as an evil spirit.
The only apparent survivors are Fallon and the ship's captain, but they hear the screams of one of the women passengers whose body they find, savaged by an unknown animal.
They discover a crumbling castle inhabited by the Count de Sade who talks with a spirit and his collection of horrid animals.
The mentally challenged Count believes the Captain to be a pirate and has him tortured, then he and his manservant hunts Fallon and Cassandra in the manner of The Most Dangerous Game.