Lord Windermere sees Lady Windermere's fan in the room where she is hiding, and Mrs. However, some men along with Lord Windermere then show up at Lord Darlington's house and the women must hide. She finds Lady Windermere at Lord Darlington's house and convinces her not to run away from her husband and, more importantly, her child. Erlynne finds the note and, realizing that her daughter is about to make the same mistake she did as a young woman, takes the note with her and goes to find Lady Windermere.

Lady Windermere decides that she will run away with Lord Darlington, and she leaves a note for her husband before fleeing the party. Erlynne is Lady Windermere's mother, who abandoned her as a child. Erlynne and Lord Windermere, it becomes clear that Mrs. Erlynne meets more people at the party and even presses Lord Windermere publicly for more money, Lady Windermere retreats to her room. When Lady Windermere does not agree, feeling confused and flustered by all the revelations of the day, Lord Darlington tells her that he will leave tomorrow and never see her again. At the party, when Lady Windermere tries to go to Lord Darlington for support, he reveals his love for her and asks her to run away with him. Erlynne arrives and causes quite a stir, with people assuming Lady Windermere invited her. When evening arrives, many guests attend the party.

Lady Windermere refuses, so Lord Windermere invites her himself. Lady Windermere and Lord Windermere argue about this when he returns home, and Lord Windermere asks Lady Windermere to invite Mrs. When Lady Windermere checks her husband's books, she finds that this is true. This rumor has spread throughout society because he has supposedly been giving her large sums of money. On the day Lady Windermere is throwing one of the last parties of the season for her birthday, two friends, Lord Darlington and the Duchess of Berwick, come by to see her and imply that her husband has been cheating on her with a woman named Mrs.

Lady Windermere and Lord Windermere are a happy, young couple - married for just under two years with a six-month-old child.

Lady Windermere's Fan by Oscar Wilde