During the Cold War, the secret service of Kádár began a more dangerous state security game than ever before.

1963, Budapest. State security officer András Jung's life is perfect: he lives happily with his wife, Éva, and the only thing that hinders his promotion is a competing colleague, Kulcsár. When the legendary spy Pál Markó emerges from the past in connection with an unsolved case, twists and turns follow, and a merciless duel begins, where no one and nothing is what it seems, and a single human gesture can cost you your life.