Mae Mr Hoppy'n dwlu ar Mrs Silver, ei gymdoges, ac mae Mrs Silver yn dwlu ar Alffi, ei chrwban Un diwrnod mae Mrs Silver yn gofyn i Mr Hoppy sut mae gwneud i Alffi dyfu, ac yn sydyn mae Mr Hoppy yn gwybod sut mae ennill ei chalon Gyda help swyn hudol ac ychydig o ddail bresych, a all Mr Hoppy fod yn hapus o'r diwedd? Addasiad Cymraeg o Esio Trot [Mr Hoppy, a retired bachelor, harbours a secret passion for his neighbour, the lovely Mrs Silver Unfortunately she lavishes all her affection on another Alfie, her pet tortoise Mr Hoppy's ingenious plot to defeat his rival and win the love of his lady will delight and amaze, involving, as it does a cryptic riddle and no fewer than a hundred and forty tortoises, large and small]