A tragic accident strikes Naoki Shindou and his entire class when lightning hits the airplane they are flying on for an overseas trip. The only survivors are Naoki, his classmates Momoka Kiriyama and Kana Miyamura, their teacher Sanae Nakazono, and the flight attendant Asami Kakinuma. Now stranded on an island with rescue far away, it may prove too difficult to suppress their sexual instincts.