What fifteen-year-old Nina, a sensitive adolescent from a small town in Upper Silesia, desires most is to belong – which is why she’s an altar girl at Sunday Mass and a loyal supporter of her local football team. When her club’s flag is set on fire by their greatest rivals, Nina hatches a spectacular plan for revenge, earning her the respect of her hooligan crew and the affections of Mateusz, her crush. But the victory is short-lived. Soon, the rival hooligans are out for blood.