The Chemistry of Death follows a forensic anthropologist as he helps local police in a race against time, when bodies begin turning up in the tranquil English countryside that he has recently made home. The six part series, based on Simon Beckett's bestselling novels, starts 19th January on Paramount+.。The Doctor faces the end of his life as the Master's plans hurtle out of control. With the sound of drums growing louder, and an ancient trap closing around the Earth, the Doctor and Wilf must fight alone. But sacrifices must be made, and the deadly prophecy warns: "He will knock four times."。