Tom and Jerry become poor. With no food, drink, and anything else they need, a beanstalk appears and lifts the house to the heavens. There, a castle resides, and in it is a mean giant, with his food, riches, and his dog. The dog is sick and tired of living with the giant, and his mean and petty comments about him. So, he decides to recruit Tom and Jerry to help rid of the giant, and bring peace and harmony to the castle.