In the future, Utopia has finally been achieved thanks to medical nanotechnology. This perfect world isn't that perfect though, and three young girls stand up to totalitarian kindness by attempting suicide via starvation. One of the girls-Tuan Kirie-grows up to be a member of the World Health Organization. As a crisis threatens the harmony of the new world, Tuan rediscovers another member of her suicide pact, and together they must help save the planet...from itself.