The Racers are skirting the crumbling coastline of the Pacific Ocean when an earthquake threatens to dump them into the toxic waters! And when Penelope and Dick are caught in a tsunami that sweeps them to a barren island without their vehicles or weapons, how will they battle the islandÕs horde of mutant crabs? And back on the mainland, the other Racers must fend off a tangle of carnivorous vines!