It's A Whole World Of Unknown

Will is rushed in after being stabbed multiple times by several assailants. Dr Pickering must quickly work out the trajectory of the knives used and how severe his internal injuries are. Fiona, a 38-year-old mother, has had a severe stroke, and Dr Nayak must remove the clot inside her brain, while Ivan arrives in cardiac arrest. Despite lifesaving CPR, he remains in critical condition - so now he needs a trip heart bypass.