For millennia, the Jade Moon and the Ual-leen have fought in the murky underworld of the galaxy. Most people remain unaware of them, but their struggle spares no one-not even the innocent.

Maya and Ihy raise Ianus, a young monk orphaned when he was two, in a Jade Moon monastery far away from the dangerous life in the underworld that killed his parents. Ianus comes to accept his adopted parents as his own flesh and blood.

When he receives a vision of Ihy's murder, Ianus plunges deep into the underworld. With the help of his friends, he determines to face the people who murdered his birth...