January 1942, in Nazi-occupied Poland during World War II. Thousands of Jews have been confined to the Warsaw ghetto for more than a year. Outside, life goes on; inside, they struggle to survive another day. Still, on a cold winter night, a group of Jewish actors manage to stage a lively musical comedy.

Julio Blanco is the proprietor of Básculas Blanco, a Spanish company producing industrial scales in a provincial Spanish town, which awaits the imminent visit from a committee that will decide if they merit a local Business Excellence award: everything has to be perfect when the time comes. Working against the clock, Blanco pulls out all the stops to address and resolve issues with his employees, crossing every imaginable line in the process.