Voir sur FrenchStream. The unsuccessful composer Daniel Mogge meets the photographer Eva through his runaway dog Blasius. He falls in love with her and a romance begins between the two. The envious neighbor Grusius, who is feverishly waiting for submissions for musical works, finds them through the open window: Mogge composes and Grusius steals. When Mogge hears his piece on the radio, the events come thick and fast.