In the bleak days of the Cold War, espionage veteran George Smiley is forced from semi-retirement to uncover a Soviet Agent within MI6.

A young Hungarian girl struggles to find her place in the world when she's reunited with her parents in the USA years after she was left behind during their flight from the communist country in the 1950s.

Song Ha, a young Vietnamese woman arrives in Budapest with a distinctive goal: she wants to discover her roots. While she investigates the past, a romantic relationship blossoms between her and Viktor, a Hungarian man.