To test its top-secret Human Hibernation Project, the Pentagon picks the most average Americans it can find - an Army private and a prostitute - and sends them to the year 2505 after a series of freak events. But when they arrive, they find a civilization so dumbed-down that they're the smartest people around.
In 1666, a colonial town is gripped by a hysterical witch-hunt that has deadly consequences for centuries to come, and it's up to teenagers in 1994 to finally put an end to their town's curse, before it's too late.
When a straight-laced couple that has fun with a rowdy couple on vacation in Mexico return to the States, they discover that the crazy couple they met in Mexico followed them back home and decide to play tricks on them.