Bangkok, 1975. Dutch diplomat Herman Knippenberg investigates the disappearance of a young couple who were last seen alive at the apartment of gem dealer Charles Sobhraj.
Marie-Andrée Leclerc leaves her life behind for the love of Charles Sobhraj but discovers the chilling cost. Herman vows to investigate the murders of the Dutch couple.
Young Frenchman Dominique Renelleau tries to escape Charles Sobhraj’s terrifying lair. As he listens to Nadine and Remi’s testimony, Herman realises the scale of Charles’s crimes.