After her boyfriend is murdered by the gangsters whose diamonds he stole, a girl is protected by two FBI agents who plan to keep her from sharing the same fate.

A brood of fire-breathing dragons emerges from the earth and begins setting everything ablaze, establishing dominance over the planet.

A young widow still grieving over the death of her husband finds herself being comforted by a local housepainter.

A college teacher brings the little creatures back to his campus, where they proceed to terrorize the faculty and students.