Critical is a 13-part series set in a state-of-the-art Major Trauma Centre, a unit which treats only the most gravely ill or seriously injured. Each episode features a new and distinctive case told with thrilling intensity. Whether that patient lives or dies is determined by knife-edge decisions and procedures, but can the diverse team of medical professionals knit together and rise to the challenge? It's a series about medicine where our team hold a life in their hands but in every case they face the agonisingly real fear that it could slip through their fingers.