Naoto and Miyuki were on their way to a ski resort when their bus got stuck in a blizzard. They were helped by Natsuyo, the owner of a traditional Japanese hotel. As they stayed at the hotel for a while, Naoto and Miyuki couldn't stop making love to each other. However, he couldn't be satisfied and eventually fell in love with Natsuyo. The same thing happened to the other passengers as well. In this confined space, rituals and accidents continued, leading to an unusual and erotic story that was just beginning.