S5, E1: Brought into A&E with flu-like symptoms and leaving in a body bag, Suzanne Morton’s death is treated as suspicious by detectives Brooks & Devlin as they investigate a hospital department which has had three such untimely deaths within six months. They soon learn Suzanne died as a direct result of having been administered a fatal cocktail of prescription drugs. However, with an unsigned patient chart and an extremely busy Saturday evening A&E ward, will our heroes find the killer before the killer finds their next victim?