Jack neglect Gee or must execute deed by Monday, just like his father before him. Anxious to make good, Jack sells his C.O.W. (Computer of Wonder) to get a number of magic beans and a mysterious publication that records his experiences as he's having them. Inspired by his sidekick Grayson -- a goose who underwent an amazing transformation and ate a bean -- Jack increases the magic beanstalk to recoup the Harp of Destiny by the evil Giant who resides in the sky. Helping Jack on his perilous pursuit is the Jillian, a fearless young girl whom Jack matches on his journey -- and who just might have a hidden agenda...