A young man travels back in time and fights with an army of Frankensteins in the Civil War.

A space ranger (Jesse Vint) lands at a research station where a flesh-eating mutant is loose.

A post-World War III swordsman (Patrick Swayze) defends a desert widow (Lisa Niemi) and her water-treatment farm.

After astronomer Zane Zaminski (Charlie Sheen) discovers a radio transmission that originated from space, he tells his boss, Phil (Ron Silver), who ignores him. Zane is promptly fired, and decides to investigate the signal himself. When he discovers a return radio transmission from Mexico, he goes to explore. There he meets climate scientist Ilana Green (Lindsay Crouse), who is studying anomalies in gases in the area. Zane soon makes a shocking finding that puts him in great danger.

Yacht passengers encounter mysterious weather conditions that force them to jump onto another ship, only to have the odd havoc increase.