When Dylan and Sal disregard Whit's instructions and sneak into his workshop, the boys trigger a surprising series of events that could lead to disaster for Whit's End---and Mr. Whittaker! It's a wild ride as the boys find themselves trapped in a world of their own making. Now, they must frantically race against the clock to try to undo the mess they've made of things. Through their ordeal, the boys discover a powerful truth: every action, no matter how insignificant it seems, can have dramatic consequences.