1950s Prague is a city of numerous small terrors, of political tyranny, corruption and surveillance. There is no way of knowing whether one’s neighbor is spying for the government, or what one’s supposed friend will say under pressure to a State Security agent. But there are larger terrors, too. When a little boy is murdered at the cinema where his aunt works, the ensuing investigation sheds a little too much light on the personal lives of the cinema’s female ushers, each of whom is hiding a dark secret of her own.