The Curtain Rises [Entrée des artistes]

François, Cécilia and Isabelle are students of the drama class of the Conservatoire led by Professor Lambertin. François is in love with Isabelle who also loves him, but he is pursued by Cecilia, his former mistress. Cécilia commits suicide staging the suicide like a crime, so as to involve Francis. But a testimony restores the truth.