A man searches for information about his wife's whereabouts when she doesn't return from a girls' night out.

A carefree co-ed invites her boyfriend and his buddy over for a day of partying, even though her serious roommate is determined to study for an anatomy test.

Wedding planner and her assistant/partner with the groom to be observes failures that fit him. Marriage doomed or success. Ending with the bride and groom finding themselves.

When a bachelorette party at Emmanuelle's house is interrupted by a mysterious loner, strange things begin to happen. The party guests start changing one by one into blood-sucking sexual predators with only Emmanuelle to tame the situation. Will she save her friends or will she fall under the spell of the Prince of Darkness?