True crime series documenting the murderous actions of some of the world's most infamous nurses. Featuring never-before-seen evidence and interviews with leading journalists, psychologists and medical professionals, the show analyses a number of high-profile cases involving killers such as Beverley Allitt and Victorino Chua. Expert contributors attempt to decipher why the nurses committed their crimes against vulnerable people, and outline how the murderers used their medical knowledge to try and cover their tracks.