A voice, warm and heartbreaking, that of Brisseau himself, coils over black and white images. The tone was set very quickly: "To wake up is to be born again in the world of despair." 'On Sunday afternoon' is a film all at once clinical and theoretical on melancholy in the strong sense of the famous "black bile" of the Greeks whose author seems to want to make a complete turn, from his tragic dimension to his psychological dimension, even ending his film with a long quote from Freud's 'Mourning and Melancholia'.