Flint Lockwood is an inventor of machines, affecting the weather. When Flint entered into operation, the result of his hard work, he could not think that good effort will result in disaster, then the entire world was at risk. Now, some time later, life returned to normal. Of course, the inhabitants of the Islands Float left his house, and along with them-Flint, but he, at least, has been engaged in the work of their dreams-The Live working in Corp under the leadership of Chester.
However, the carefree life very soon comes to an end. Flint learns that the machine, which he created and launched into Earth's atmosphere, still works. The truth is, this time it produces not ordinary food and strange hybrids, so ghost people Float Island turned into a strange place, inhabited by amazing edible animals and vegetables were. Brave heroes have only one thing: to move inland and somehow take control of a machine.