Tsubaki and Yoshihiko are in a relationship. They decide to go camping together by the beach where they meet three college students who also happen to be camping there. They invited Tsubaki and Yoshihiko to go cruising to a neighboring island, however the boat capsizes because of a sudden weather change! All five of them miraculously end up being a desert island. They try to cooperate to survive there, but three horny college students cannot resist molesting Tsubaki!