When a body is found on the border between the UK and France, detectives Karl Roebuck (Stephen Dillane, Game of Thrones) and Elise Wassermann (Clémence Poésy, Tenet) form an uneasy partnership as they investigate for their respective countries. As the serial killer uses ever more ingenious methods to highlight the moral bankruptcy of modern society, Karl and Elise are drawn deeper into his agenda.
