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