A man plummets to his death during the York Races. Despite the large crowds, no witnesses are able to help confirm whether the death was a suicide or a murder. Newly promoted, Detective Ian Peterson is plunged into the complex case that splashes across the headlines. Meanwhile the killer has begun to hunt his next victim, and before long the body count increases. With pressure to solve the crimes mounting, Ian must put aside his personal life despite pressure from his wife. But the killer is following the investigation far more intensely than Ian realizes, and time is running out as the case suddenly gets a lot closer to home …