Builder Alan finally tumbles to the true nature of Moz's business and,after being horribly stung by the occupants of a wasps' nest,goes on the rampage, trying to kill Moz and some of his customers. Lee,half of the would-be pop band Silicon Valets,comes off worse as he is imprisoned,left for dead,inside Moz's deficient hot water boiler. All this and a visit from Stemroach.