She flirts with all of them to Bobby's frustration. He runs off as the Brockhurts call for a gendarme. He's stolen her heart and she won't be going to the ball after all. Act III opens on the terrace of the cafe where couples are dancing. They recall their Armistice Day rendezvous.
Love is in the air.
The boys are frustrated having to wait till then. Tony enters and Hortense button-holes him. She reports that Polly is broken- hearted. He enlists Hortense to urge Polly to attend the ball and he leaves to change into his costume. But Lady Brockhurst again arrives in time to make short work of the flirtation.