Scene 4 is in Hannay's apartment and they are in darkness because it is late. Pamela is stabbed in the back and then rushes into the apartment, they thenhave a conversation and the she dies. Hannay further covers Annabella with a white sheet.
In this scene Hannay has a interaction with the milkman, and Hannay persuades the milkman to hand over his hat and coat so he can avoid being seen by the armed suspects.
Mrs Higgins the maid find the dead body of Pamela. Very short scene. Scene then transitions into train whistle.