Basil farms and produces Reblochon cheese in the French Alps. He has just bought the queen of all dairy cows, Buttercup, famous for her cheese that gives you long life. But here is what happens at the farm, Buttercup's milk runs dry ! Amongst the various envious characters that corne up to save her, who will work out her secret ? Full of mischief, little Morris has a good idea... but who will listen to him ?