Braddick is back. Following a storm, a body is washed up on a beach, intricately wrapped in wire mesh. DS Marcus Braddick is struck by the similarities to a triple murder case from 7 years before - A case that eluded his predecessor, Alec Ramsay. Across the city, a teacher is accused online by a Predator hunting group. As his life unravels, a killer stalks the hunters. Braddick and Ramsay have to work out how the two worlds are entwined and discover who are the innocent and who are the guilty before it's too late...