Unfairly accused of making a serious error in court, London forensic pathologist Dr. Nikki Alexander (Emilia Fox) defends herself and leads her team in five more brutal cases. What's the connection between a dead medical researcher covered with mysterious puncture marks, and a billionaire scientist? Where's the rest of the body that belongs to the part recovered in a Brighton dump? Who killed a transgender man, and can the team find crucial evidence fast enough to stop his killer from striking again? When a suburban murder triggers painful memories for Jack, he turns to an old friend for help. And as students die from new drugs hitting the streets, Nikki's team scrambles to help catch the dealers. Scramble with them and see how soon you can identify the criminals in this award-winning crime drama series.