Après l'amour (1947)

A former professor became a successful writer and won the Nobel prize.When the journalists comes to his house,he does not feel like seeing them and leaves the job to his wife -who is no longer a wife but a manager- The marriage seems to be on the rocks; the hubby leads a double life ,one for his lover (a student who could be his daughter),and the one he takes home to his wife.He has got two children,from his two love affairs...but we soon discover that his wife's son is not his ,but a jealous professor's - who got jealous because he did not become a famous writer like his former colleague.