Coud and company reach Nad Lezen, a utopian city divided into three tiers. But all is not right in this utopia - an overeager military has grounded all civilian airships and shadowy menaces flit through the halls of fine society. Will sky pirate Coud be able to steal a levitating stone and mount a daring escape from Nad Lezen before its deadly secrets steal Ren away for good...?