The Window breaker

The 7 year old Oscar 'Ozzy' is forced to live with a strict fostermother. Ozzy needs to take care of himself most of the time, because his foster mother only lets him inside if he brings money with him. One day he meets, Alfie Solomons. Who takes him under his wing. But what happens when Ozzy is actually the son of Tommy Shelby and no one knows this.