Day-to-night is a film technical term, which means to shoot night scenes during the day. This film is about a story in the process of filming. The film "Meet Pamela" is in full swing, and director Ferrand (Francois Truffle Fran ç ois Truffaut) is not only busy with filming, but also busy taking care of the actors' emotions. Among them are the emotional problems of the fragile and sensitive hero Alphonse (Jean-Pierre Leod Jean-Pierre L é aud) and the frustrated actress Julie Baker (Jacqueline Bisset Jacqueline Bisset). The film has to be finished before the appointed time, and the shooting is not going very well. Everything looks so bad. Can Meet Pamela still be finished? This film brilliantly shows the shooting process of a film with the structure of "the play in the play". This film won the 1974 Academy Award for Best Foreign language Film.