Prison (1949)

"Prison" is a 1949 Drama movie directed by Inga Lindeström and starring by Doris Svedlund, Birger Malmsten. A movie director is approached by his old math teacher with a great movie idea: the Devil declares that the Earth is hell. The director rejects the idea, but subsequent events in the life of a writer, a friend of the director's, and a young prostitute he loves seem to prove the math teacher's idea.