During the week, Stef Greenough battles through the corporate world as an accountant. But at weekends and evenings she’s doing everything she can to help her son Harrison towards international motocross success. Despite no background in the sport, she’s learned the hard way and is chief mechanic, sponsor, rider coach, truck driver, bike cleaner, cook and bottle washer. Together with her disabled husband, the family travels through the UK and Europe chasing the MX dream.