King of Devil's Island

Kongen av Bastøy is a movie starring Benjamin Helstad, Trond Nilssen, and Stellan Skarsgård. Norwegian winter, early 20th century. On the boys home Bastoy, a new inmate leads the boys to a violent uprising against a brutal regime....
Norwegian winter, 1915. On the island Bastøy, outside Oslo, a group of young boys aged 11 to 18, are held in an institution for delinquent youth, notorious for its sadistic regime. One day a new boy, Erling, arrives, determined to escape from the island. After a tragic incident, he ends up leading the boys in a violent uprising. When the boys manage to take over the island, 150 soldiers are sent in to restore order.