 At school, they are bullied, socially isolated, in adulthood, 70% of autistics receive a significant lack of support from social services, and at least one in three live with severe mental health difficulties. Despite a strong presence in the world of scientific research and social awareness, it stands as perhaps the most misunderstood condition in our society. In this documentary, I'm going to explore the reasons behind this mental health crisis and tease out whether it's an issue of biology or whether it's social.