Birgit is a model from the city and sweetheart of the farmer's son Rolf. Incognito she takes a job as a maid on their farm.
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 must figure out a way to stop him.
An FBI agent goes to Hong Kong to short-circuit a smuggler of electrical parts to the communists.
