Meet the delightful characters 'The Green Bean Brothers' and many others in this amusing story. One brother is short and one brother is tall. While growing vegetables on their farm, they discovered a cave. Inside the cave there is a pool of magic water, it is magic because the water makes things grow bigger. The brothers use only one drop at a time to make their vegetables grow bigger. One day, the tall brother who is rather clumsy falls into the pool of magic water and turns into a giant! With the help of their friends they must seek the help of a great inventor, Professor Pearshape who lives on a remote island. Only Professor Pearshape may be able to help Tall Green Bean by making a shrinking potion. Captain Potato and friends as well as Potato-Kid and his friends Ca-Boy, Clementine, Lemonette play a part in this funny story.