Tyler is the best at Combat, the magical martial art, that Escudillo has ever seen, but when his mother forbids him from practicing Combat ever gain, he and his best friend Molly uncover the town's deadly history, and that they will become its next victims. More
Tunnels weave beneath the slopes of the canyon city Escudillo, Calfornia. They bring a special kind of magic to the citizens of the town. They also bring the Combat, a fighting arts-force only a few can master. Tyler, at 15, is the best Combatant ever seen, but he can't understand why his mother suddenly forbids him to practice it. Is she afraid of him? Has she discovered he trains in secret with Vesuvio, the Crazy Old Man? When Vesuvio unexpectedly perishes in an unusual fire, Tyler and his best friend Molly uncover an unpleasant secret ritual buried deep in the town's history, and that they might become its next victims.