This play's first act sees a visit from the Duchess of Berwick and a scene in which the main character discovers her husband's second bank book.  The main antagonist laments "A moment may ruin a life.
This play's first act sees a visit from the Duchess of Berwick and a scene in which the main character discovers her husband's second bank book.  The main antagonist laments "A moment may ruin a life.  Who knows that better than I?" as she attempts to keep her illegitimate daughter's marriage intact despite the fact that the antagonist has been blackmailing her daughter's husband. That antagonist, who is immediately beloved by Lord Augustus, is (*) Mrs. Erlynne, who later claims that she accidentally took the title object from its rightful owner to allow that owner to slip out of a room unnoticed; this prevents her daughter's husband from discovering her unfaithful feelings towards Lord Darlington.  For 10 points, name this 4 act comedy by Oscar Wilde:
This play's first act sees a visit from the Duchess of Berwick and a scene in which the main character discovers her husband's second bank book.  