When an orphaned half Korean girl finds herself in small town America with her only living relative, she seeks out a mentor to help with the only things she loves – golf. The best player in town, the widowed optometrist, takes her under his wing, sending them on a journey to face their fear of losing loved ones and their game. The only problem is, he has three months to live.

Inventor Flint Lockwood creates a machine that makes clouds rain food, enabling the down-and-out citizens of Chewandswallow to feed themselves. But when the falling food reaches gargantuan proportions, Flint must scramble to avert disaster. Can he regain control of the machine and put an end to the wild weather before the town is destroyed?