Resarcher Evan Thorne (John Corbett) investigates a number of cases of severe sunburn and discovers a hole in the ozone layer threatening the lives of millions in the city. With his sister, Jennifer (Josie Bissett), and her pilot fiance Racer (Ben Browder), Evan calls for the evacuation of the city but Dr. Aaron Schiffren (Tom Irwin), of the Atmospheric Research Committee resists. Evan is forced to tell the media and there is panic in the city. Finally Dr. Schiffren is convinced and prepares an ozone bomb for Evan and Racer to explode inside that deadly hole. But their plane has trouble climbing to the right altitude and down below Jennifer, along with many thousands, is feeling the effects of the lethal radiation. Evan and Racer are their only chance for survival!