A message has traveled via the mouse network to cat brothers Anton and Cecil: their rodent friend Hieronymus has been captured. Though he'd rather stay close to home, Anton must get to the friend who saved his life. Cecil is quick to action, too, but it's adventure he craves. Boarding one of the machines the mice call "landships"--noisy, smoke-belching trains--Anton and Cecil travel to the heart of the Wild West. Along the way Cecil is tossed out...