They thought they'd won... they thought that, with the help of the Major, the slavemaster Famechon Plikan had been defeated. But now, Finnegar, Finnegar and Dalxtrey ahve discovered the terrifying truth: the Famechon is actually inside the deadly Onyx Overlord, using the giant construct to utterly destroy the Airtight Garage! And for all their skill, Finnegar and Dalxtrey may be powerless to stop him.