King of Devil's Island (French: Les Révoltés de l'île du Diable), (Norwegian: Kongen av Bastøy) is a 2010 French-Norwegian drama film[1][2] directed by Marius Holst.

Under the rule of warden Håkon, Erling comes to terms with the harsh winter, the mistreatment by the staff, and the hated unit manager Bråthen.

However, after hearing that Bråthen expects him to be back in the laundry room later, Ivar drowns himself in the freezing waters on the beach.

Olav and Erling attack Bråthen in a fit of rage and they are locked in freezing solitary confinement as punishment.

The reformatory was located on Bastøy Island in the Oslo fjord south of Horten municipality in the county of Vestfold in Norway.