Years after fleeing his ancestral home with his mother, Jason returns home to claim his birthright, only to find his way blocked by his evil cousin Thomas. In order to reclaim his title, Jason must do battle with his cousin, who calls upon the members of the deadly Hellfire Club to stop him.

A man and wife are terrorized by Mad Scientist Dr. Callistratus who was executed but has returned to life with a heart transplant. Along with his crippled assistant Carl, the 'anemic' Mad Scientist, believed to be a vampire, conducts blood deficiency research on the inmates of a prison hospital for the criminally insane to sustain his return to life.

A renowned safecracker and his crew try to rob a bank by entering the vault through the sewer system.

A small British army team is sent deep behind enemy lines to destroy a German petrol dump as part of the preparation for a major attack in the North African campaign. Sea of Sand was distributed in the US in a shortened version, Desert Patrol.