[He reads it through and looks at her in dismay.
Mereston.
Good God!... What does it mean?
Lady Frederick.
Pray read it aloud.
Mereston.
I can't.
Lady Frederick.
Then give it to me. [She takes it from him.] It's addressed to my brother-in-law, Peter Berolles. The Kate to whom it refers was his wife. [Reads.] Dear Peter: I'm sorry you should have had a row with Kate about Roger Bellingham. You are quite wrong in all you thought. There is absolutely nothing between them. I don't know where Kate was on Tuesday night, but certainly she was not within a hundred miles of Roger. This I know because....
Mereston.