In a far future, war has destroyed the entire Earth, leaving only a barren wasteland where the supply of water is controlled by a greedy king.

One fateful summer, a group of elementary school kids set adrift on an abandoned apartment building must look within themselves to find a way back home.

Tai is now a university student, living alone, working hard at school, and working every day, but with his future still undecided. Meanwhile, Matt and others continue to work on…