In the future, corporations have taken over the world and banned sex. A group of rebellious high school students devise a way to go back in time to the present day and try change history to prevent that from happening.

A young man named Eric apparently dies in a suspicious house fire after saving his girlfriend, Melody. One year later, a new mall is constructed atop where Eric's house once stood, where a shadowy, uninvited guest is preying on the mall's crooked developers.