Elizabeth is thrilled to see Charlotte, but when they go to dine with Lady Catherine, she finds out that Catherine's two nephews are also visiting. She is pleased to make the acquaintance of cheerful and kind Colonel Fitzwilliam, but horrified to see Mr. Darcy. She spends quite a bit of time with the two men, and finds out that it was mr. darcy who convinced mr. bingley to leave hertfordshire so suddenly because he opposed his relationship with jane. To her even greater shock, mr. darcy suddenly proposes to her, admitting that he's been in love with her the whole time. unfortunately for him, he proposes in the most offensive way possible and elizabeth is still salty about him ruining her favorite sister's chance for happiness.
After a sound rejection, DArcy writes elizabeth a letter that explains all of his actions and the truth of what happened with wickham. He convinced Bingley to leave because he didn't think that jane felt as strongly about him as he did about her. It turns out, wickham was given the living he was owed and gambled it all away, then came back begging for more. when darcy said no, wickham tried to elope with darcy's 15 year old sister, who was nearly ruined in the process. that was why he was so cranky when he got to netherfield and insulted elizabeth without thinking. elizabeth regrets how prejudiced she was against him.