Doctor Javed is in the deep end of the emergency department with a patient who has fallen three metres from a ladder onto a ship's steel deck. Doctor Eoin is new to the anaesthetics department, where the stakes couldn’t be higher. Can he safely put 72-year-old Rhett into a deeply unconscious state for hernia surgery? While Doctor Conor tries to figure out why a seemingly healthy 35-year-old has blacked out multiple times.