Budapest, 1913. Irisz Leiter, a young woman who grew up in an orphanage, arrives in the Hungarian capital with the hope of working in the ladies’ hat shop that once belonged to her parents and is run by their former partner, Oszkar Brill. But the man refuses to give her a job. Through a fortuitous encounter, Irisz discovers that she has a brother named Kalman Leiter, whose existence has always been hidden from her. By looking for his brother, he will discover obscure secrets and remain trapped in the confusion of a civilization on the brink of collapse.