Marjorie feels terribly ordinary: other cows do all kinds of amazing things, from riding bicycles to doing hand-stands, but there is nothing special about Marjorie. Kindly chickens overhear her complaints and ''hatch a clever plan''. The next day, Marjorie causes a furore in the farmyard: she's laid an egg. Instant celebrity ensues, with television, radio and ''Moos of the World'' widely reporting. Other cows, whose accomplishments pale by comparison, get suspicious though. Will something hatch from Marjorie's egg? And, crucially, what will it be?