After a truck carrying a cargo of narcotics is held up by rival smugglers, the driver sets out to prove his innocence.
Several oil companies are trying to get hold of Prof. Wilkens, who has discovered a revolutionary formula for a new type of fuel that will put all the oil companies out of business and control the world's economy.
A private detective tries to find out how and why some convicts have mysteriously disappeared from the prison of Dartmoor.
A company's stockholders hold their meeting at a lonely mansion. A mad doctor conducting experiments in the mansion starts to strangle them one at a time with a nylon noose. The survivors ...