The kids at prestigious Greycliff Academy are in for a surprise when their hero, Kirby Finn, turns out to be something he's not.

To his friends at Greycliff Academy, Kirby seems to have it all: charm, brains, and a lucky streak that won't quit. He's also the notorious hero creating the snarky videos 7 Good Reasons Not to Grow Up, which expose just how dumb adults can be. Why would any kid want to become one of them? But there's also a mystery about Kirby. And when his best friend, Raja, finds out his secret, Kirby, Raja, and their friends have to grow up fast and face the world head-on.