During the Cold War, an American scientist appears to defect to East Germany as part of a cloak and dagger mission to find the formula for a resin solution, but the plan goes awry when his fiancee, unaware of his motivation, follows him across the border.
A small construction crew on an island is terrorized when a spirit-like being takes over a large bulldozer, and goes on a killing rampage.
The brother and fiancee of a dead policeman infiltrate a female-led biker gang to uncover his murderer.
