After an scientific accident creates a mysterious gas with unusual sexual properties, a group of students and their teacher attempt to control the concoction and themselves from its effects.
While setting up for a science fair, a snowstorm traps eight students and one teacher overnight at Madison High School. An accidental chemical reaction later, the students split off to entertain themselves until morning. Little do they know, it will be the start of something that will change their lives forever.
Following the events from Snowed In, Linda and the students return to school to figure out what is next. As the days go on, each finds they may have changed somewhat from their experience. Should they not use the gas again, or was that just the beginning of their fun?