Dorian goes to Henry's house and sees his wife; she recognises him from the 17 photos henry has of him at an opera, he shares his opinion which is the same as Henry's, she says a lot of people have the same opinion as henry.
Henry enters, he talks bad of his marriage, Dorian reveals he's in love with Sibyl Vane, she's a 'genius'.
Dorian said they met, when a "hideous Jew" lured him in to watch Romeo and Juliet.
Dorian leaves, Henry thinks about Dorian as an 'Interesting study".
He finds a telegram waiting from Dorian saying he and Sibyl are to be married.