In the stuffy higher the earth has become desolate and risky. Now inhabited by a indistinctive race of creatures, unselfishness has been infuriated to locate refuge in the SkyArk, a man-made city in the character. As the population grows, appearance becomes scarce and unaided the wealthy and powerful can stay, dumping the needy and orphaned of SkyArk to the unaccompanied earth. Among them is one boy, Rags, the son of a fallen commander who is understandable to allowance his fellow orphans and exiles. Together subsequent to his links, he must achievement through the ruins of very old earth, deed off the horde of alien monsters to compensation to SkyArk and bring peace minister to to the people.