Dorian is amazed of Sibyl’s beauty, and Basil supports the marriage, since Dorian is so obviously in love. When the play begins, Sibyl is terrible, and her acting is only worse as the play goes on. Unable to understand the change, Dorian is heartbroken.she declares that her career on the stage is over. Dorian, horrified by this decision, realizes that he was in love not with her but with her acting. Dorian returns to his home. He looks at Basil’s portrait of him and notices the painting has changed.