In the years following a great civil war between the Light and Dark Dragon clans. The Light Dragons are dwindling, reduced to hiding in small villages.

The protagonist is Ryu, a young Light Dragon who awakens one night to find his home set on fire by Dark Dragons. After his sister is captured in the attack, Ryu sets off to rescue her. In the process, he joins a race to uncover seven mystical keys, before the Dark Dragons can use them to unlock a goddess of destruction.