Because of an accident at a military drill the recruit Bengt loses his eyesight and becomes blind. He gets to live with relatives in the countryside and meets the young Ingrid. She falls in love with him but Bengt's bitterness also makes him blind to her attentions.
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.
After young film writer Leo has his latest screenplay rejected he retreats to his summer home on an island, on his way he meets the flight attendant Virgo and a romance soon blossoms.
