It is the height of the gold rush when Dick and his sister Betty make their first visit to stay at Billabong and encounter rather more excitement than they'd bargained for. News of the gold strike has brought hopeful prospectors into the Billabong hills, among them an unscrupulous ex-prize fighter named McGill and Lee Wing, the Chinese gardener turned cook, whose ingenious plan to outwit McGill makes him the hero of the day. At the end of the adventure, everyone agreed with Dick - it certainly was something they'd never forget!