A rain of stones is threatening to wreck Nate and Malika's neighbourhood because there's a war going on in the kingdom of giants, up above the clouds! To stop the bombing and save their neighbourhood, ...

As Nate shows Malika the watch he got for his birthday, he drops it down a sewer grate! The kids head into the sewers to get it back, but it's been picked up by a goblin. The way to school is blocked ...