Final answer:
Mr. Rochester wants Jane Eyre to be his mistress after his marriage to Bertha is revealed, but Jane refuses and leaves Thornfield Hall to preserve her integrity.
Step-by-step explanation:
After Mr. Rochester's marriage to Bertha is revealed, he wants Jane Eyre to stay with him as his mistress, although she refuses. This is a pivotal moment in Charlotte Brontë's novel, 'Jane Eyre,' where Jane is faced with a moral and emotional dilemma. Despite her strong feelings for Mr. Rochester, Jane values her self-respect and moral integrity too much to agree to his proposal. Instead, she chooses to leave Thornfield Hall, which underscores her independence and strength of character.