Forced down over the icy wastes near Momansk, Russia Hop Harrigan and tank Tinker were rescued by a band of soviet guerrilla fighters led by a young woman commander. Miles behind the German lines this poorly equipped little army were faced with the prospect of attack the German Panzer division armed with what the Russians described as mystery tanks, noiseless lumbering monsters that nothing could stop. Joining forces with their Russian allies Hop and Tank took part in the battle and there Hop made the important discovery that turned the Russian retreat in to a charge.