Professor Puffendorf is a world-class inventor: where would any of us be without her Unburnable Toast or her Smell-o-Telephone? She shares her laboratory with her much-loved guinea pig, Chip, and Enzo, her rather lazy assistant. One day, when the professor goes out to address a conference, Enzo opens her 'top secret' cabinet. Inside he discovers an array of potions promising to deliver anything from curly, luxuriant hair to a beautiful singing voice...