In the world behind the wall, two kids have discovered fun and adventure. But in this world, adults are turned into themselves as children. The first time Jake and Chloe went through the wall, they went with their father. They were able to play all day with him as a young boy. But this time, the three of them decided that they should bring their mom too. This adventure starts out with fun and excitement, but their things started to turn up missing. The group and their friends must figure out where their stuff went.