A group of six close friends were heading to a hot spring inn for their graduation trip when they got lost on the way. They discovered a village along the way and decided to stop by, but that village was off-limits. The group was captured by the villagers for entering without permission and punished according to the village's customs. Everyone tried to escape, and they all ran out naked at once! The graduation trip that was supposed to be fun turned into a tragic escape drama.
