1937 Warsaw, Poland. The Jewish mafia rules the city. Head honcho is gangster socialist, Buddy Kaplica. His right-hand man, boxer, Jakub Szapiro who dreams of taking over Buddy's top spot as King of Warsaw.

"Król" is a gangster story set in Warsaw in 1937. It talks about violence, the lust for power and the pursuit of maintaining it at all costs. It's a story of the ups and downs of the mafia that used to sow fear and submission in the Poland's capital before the outbreak of World War II. The main character, a Jewish gangster-boxer Jakub Szapiro, is drawn into a political conspiracy and gangster bloodletting that may decide the fate of the nation. The series is based on the same-titled novel by Szczepan Twardoch.

1937 Warsaw, Poland. The Jewish mafia rules the city. Head honcho is gangster socialist, Buddy Kaplica. His right-hand man, boxer, Jakub Szapiro who dreams of taking over Buddy's top spot as King of Warsaw. But Buddy takes on young Moyshe Bernsztajn, in whom he sees his successor. While rumblings of war are getting louder, Jakub will face tragic choices, torn between loyalty to Buddy and a chance to fulfil his own ambitions, succumbing to the temptations of sex and violence along the way.