Teenager Cleo's school science project goes quite awry, causing her popular older sister Molly to go invisible.

A popular high-school cheerleader becomes pregnant by the star quarterback and turns to crime to support her desired lifestyle.

A fraternity-hazing prank goes terribly wrong and a psychotic killer is set loose. Now a relentless evil has been unleashed, and the coeds of Winfield College will face the bloody horror of HAPPY HELL NIGHT.