In a gripping BBC thriller, Sarah Lancashire returns to the Calder Valley in West Yorkshire, where she leads her dedicated team of police officers. While on duty, she uncovers a gruesome discovery: a body. The victim's injuries bear a striking similarity to a series of murders over the previous few months, leading to suspicion that a serial killer may be at large. As the case deepens, it becomes clear that Catherine knows the victim – a fact that could have serious implications for both her and her family.
