Screening: Once Upon a Time 4 years ago, a scientific advisor gets hit by the full farce of the government she's trying to help. Shot and edited remotely during lockdown, an all-star cast brilliantly bring to life the story of a disease expert who is wading through the treacle of government bureaucracy. Can she persuade the powers-that-be that we actually do need experts? And that ignoring the science can have deadly, global consequences...