Good Used. Danny Roke, an Australian Stud farm owner is asked to infiltrate English racing stables in the quest for a dope ring. Faced with a threat to the sport of steeplechasing, the stewards decide that only an undercover operation can succeed in revealing the mystery. Daniel Roke, taking on the job light-heartedly, finds himself headed for deadly danger. Yet the worst of his troubles comes not from his enemies but from the two devastating daughters of the Earl of October.