Paula Nelson (Anna Karina), una versione femminile dei detective hard boiled di Humphrey Bogart, va ad Atlantic City per incontrare il suo amante, Richard Politzer, in un punto sconosciuto del futuro (forse 1969). Una volta lì, viene a sapere che Richard è morto e decide di indagare sulla sua morte. Nella sua stanza d'albergo, incontra Typhus, che finisce per mettere fuori combattimento. Il suo cadavere viene poi trovato nell'appartamento di David Goodis (Yves Afonso), uno scrittore. Paula viene arrestata e interrogata. Da quel momento in poi, incontra molti gangster.

Superstitious new rich find that they will be thirteen at the table. To reassure themselves, they invite a piano tuner, named Gonzague, whom they pretend to be Prince Gonzague to their guests. One of them imagines that Gonzague is his wife's lover.

Chick fell in love with Alise because of a shared passion for writer Jean-Sol Partre who gradually devoured their relationship. Soon after, Colin, the main character, also falls in love with a young girl, Chloe, but after their marriage she soon suffers from a strange illness: a water lily grows in her lungs.

As the title of this French documentary indicates, Ce Siecle a 50 Ans examines the 20th Century at its halfway point. Utilizing the archives of several European film reserves, director Denise Tua offers a fascinating mosaic of the people and events that shaped the years 1900 to 1950. Complementing the vintage film clips are three dramatized sketches, delineating the romantic customs of three different points in time. These sketches are inadequately performed, and can easily be ignored. Ce Siecle a 50 Ans both preserved and provided celluloid material for scores of future documentaries.

Since the car accident that caused the death of his wife, the comics author Stéphane Destouches sinks into alcohol and wanders the roads of Morocco.