A generation ago motorsports biggest rivalry was born. One that captivated the world. Niki Lauda and James Hunt are legends, now, one generation on we follow the lives of their sons Freddie and Mathias as they too go head to head.

The story that inspired Ron Howard's 'Rush' and ignited race fans across the globe, is reborn through the children of legends James Hunt and Niki Lauda. This documentary follows these men as they work, train and race for their name and their own place in racing history.