Danny's Dad works on the night shift at the chemical factory. One night he finds a fox, brave enough to eat from his hand. He takes a photo of it for Danny. Then the factory closes and everyone forgets about the fox, except Danny.

Danny is very good and keeping secrets, but when his friend Rick tells him a secret that makes him sad and upset, Danny is not sure if he should tell or not.

Can Danny and his father outsmart the villainous Mr. Hazell? Danny has a life any boy would love—his home is a gypsy caravan, he's the youngest master car mechanic around, and his best friend is his dad, who never runs out of wonderful stories to tell. But one night Danny discovers a shocking secret that his father has kept hidden for years. Soon Danny finds himself the mastermind behind the most incredible plot ever attempted against nasty Victor Hazell, a wealthy landowner with a bad attitude. Can they pull it off? If so, Danny will truly be the champion of the world.