Yuzi Ukachi has every right to be mad. Because of her dad's job, their family has moved all over the place, so it's always been tough to make friends. And now his job has landed Yuzi in quite possibly the smallest town on the planet: Marion, Ohio-the Popcorn Capital of the World. Her mom volunteered her to wear a totally embarrassing corncob costume to the Popcorn Festival, and at school she ends up in detention for something she definitely did not do! When she opens up her heart to the three girls she meets in detention, she's invited into the Secret Keeper Girl Club. The club's adventures teach her that revenge isn't always the sweetest end to a story.