Aliens in human disguise commandeer a rural airport during a snowstorm. To survive, the people trapped inside must determine which of their own is not of this Earth.

The crew of an experimental underwater nuclear base are forced to struggle for their lives when their explorations disturb a creature who threatens to destroy their base.

A brother and sister arrive in a small town to help their relatives run an amusement park, and they find the town is terrorized by a local street gang.

Camp counselors are stalked and murdered by an unknown assailant while trying to reopen a summer camp that was the site of a child’s drowning.