Lieutenant Rick Hunter's girlfriend is murdered, and the main suspect is her ex-husband. But Hunter is soon convinced of a connection to another case.

Terrorists led by an android take over a nuclear plant and threaten to launch a missile at Washington. While the authorities desperately attempt to negotiate, the terrorists persue their real goal. A plant worker, her son and a tough-guy repair man have other ideas, and attempt to stop the terrorists from inside the plant.

After their plane crashes in the Pacific Ocean after a storm a group of people scramble to a tropical island. At first the place seems home to palm trees and exotic wildlife but on the discovery of a disused military base they find out the island poses a severe threat to them