Frederick Stafford, Dany Robin, John Vernon, Karin Dor, Michel Piccoli, Philippe Noiret, Claude Jade, Michel Subor, John Forsythe, Per-Axel Arosenius, Roscoe Lee Browne, Edmon Ryan, Sonja Kolthoff, Tina Hedström, John van Dreelen
Copenhagen, Denmark, 1962. When a high-ranking Soviet official decides to change sides, a French intelligence agent is caught up in a cold, silent and bloody spy war in which his own family will play a decisive role.