Downhill is a documentary about Harry Ollier, a 21 year old mountain bike enthusiast who has been diagnosed with ADHD and Bipolar. It explores the story of how he uses mountain biking as a coping strategy. We are provided with an insight into why mountain biking has been his choice of physical activity. Harry’s aunty Kate is a clinical psychologist who provides her sentiment on coping strategies people can use to help separate themselves from their mental health.