Marilyn struggles to understand her character and leaves the set when Olivier insults her. Colin asks the director to be more sympathetic towards Marilyn, before he goes to Parkside House to check on her. He hears an argument and finds a tearful Marilyn sitting on the stairs with Arthur's notebook, which contains the plot of a new play that appears to poke fun at her. Arthur later returns to the United States. Vivien comes to the set and watches some of Marilyn's scenes. She breaks down, saying Marilyn lights up the screen and if only Olivier could see himself when he watches her. Olivier tries unsuccessfully to reassure his wife. Marilyn does not show up to the set following Arthur's departure and she asks Colin to come to Parkside and they talk. The crew becomes captivated by Marilyn when she dances for a scene and Milton pulls Colin aside to tell him Marilyn breaks hearts and that she will break his too. Lucy also notices Colin's growing infatuation with Marilyn and breaks up with