Lady Bracknell expresses her disapproval over Bunbury’s bad health.
Lady Bracknell and Algernon go into the other room to inspect his music arrangements for her party, leaving Jack-as-Ernest and Gwendolen alone in the morning room.
Lady Bracknell walks in on Jack proposing to Gwendolen.
Lady Bracknell furiously sends Gwendolen down to the carriage.
Lady Bracknell interviews Jack-as-Ernest, and finds his lack of parents very disturbing. She pronounces him unfit to court Gwendolen, unless he can produce his parents by the end of the season. She dismisses him.
Lady Bracknell arrives at Jack’s Manor House in the country to get Gwendolen.
Lady Bracknell, once she has heard about Cecily’s inheritance, suddenly becomes very interested in her and announces her consent to let her marry Algernon.
Jack undercuts Lady Bracknell by refusing to give his consent to Cecily unless Lady Bracknell gives him consent to marry Gwendolen. Lady Bracknell refuses.
Dr. Chasuble enters and Lady Bracknell hears him mention Miss Prism. She commands Miss Prism to be brought to her.
Lady Bracknell forces Miss Prism into her confession.
Lady Bracknell reveals that Jack is really her nephew and Algernon’s older brother.
Lady Bracknell cannot remember what Jack’s father’s name was—only that he was a General.
After Jack discovers his name is really Ernest, Lady Bracknell accuses him of being trivial.