Betty (Marie Trintignant), a young alcoholic woman, is caught cold while cheating on her bourgeois husband. Wasting no time, he and his family arrange a quick divorce settlement, ousting her from home and keeping her away from the two children the couple have. One night she ends up in a restaurant called Le Trou (The Hole), where she meets Laure (Stéphane Audran), an older woman, an alcoholic herself. Laure decides to take care of Betty after hearing the heart-breaking stories of her being a victim of a rich and ruthless society. Betty receives care and friendship from Laure, who's in a relationship with Mario (Jean-Francois Garreaud), the restaurant's owner. Betty's envy toward Laure, especially regarding her relationship with Mario, grows each day and eventually drives Betty to contrive the means to conquer her new friend's lover. Laure realizes she has made a mistake by trusting Betty, and things soon begin to fall apart between them. Betty's true colors are now visible and she sees her life at a point of no return, as she has selfishly stomped on the last chance she had of being a better person.<ref name="At The Movies"></ref>