Autumn 1989: While the Berlin Wall is about to fall, the secret police in Switzerland are monitoring hundreds of thousands. Viktor, a well-behaved police officer, is undercover infiltrated by his superior Marogg into the Zurich Schauspielhaus to gather information about left-wing theatre people. When he falls in love with the actress Odile, the person he is supposed to be observing, there is no turning back: he has to decide between his mission and his heart.