Celebrity guests spend several days on a secluded island in two teams at opposite ends of island. They have to meet gruelling challenges and the path is not always smooth. Following the first day, they are summoned each night to partake in a general knowledge quiz to decide which two go home, one from each team, till they are left with one person who will win the treasure at stake for their chosen charity.

远离本土、漂浮在海洋中的“浦岛”。那里有让人错认为是天国的富裕的自然资源，以及有被复杂的过去和古老的习俗所束缚的人们生活着。 在这块被本土抛弃、被逐渐遗忘的土地上，居民们几乎不抱任何希望地在生活着。 突然某一天，一位自称“时间旅行者”的青年漂流到这座岛屿。除了“切那”这个名字和“某个使命”以外的记忆都丧失了的青年，与凛音、夏莲、纱罗这3位少女相遇了，并展开了改变岛的未来的行动。 围绕隐藏着古老的习俗与各种谜团的浦岛，青年和少女们的物语揭开了序幕。