Set in the port city of Yokohama, two girls, Sunako and Dora who attend a Christian school, pledge to be friends. But when a youth named Henry appears on his motorcycle and offers to take Sunako for a ride, we know that this friendship won't last and that the lives of both girls will change in ways they are barely able to comprehend, and can do little to change.

Two children, each abandoned by their families, come together in the wake of the Sarin gas attack in Tokyo. Based on the true events of the deadly gas attacks perpetrated by members of the Aum Shinrikyo cult on the Tokyo subway system.