He has discovered the truth about Frank Underwood: that he murdered Zoe Barnes. Meanwhile,В Lucas Goodwin, the journalist who worked with Zoe Barnes at theВ Washington Herald, is let out of prison. Sebastian Arcelus as Lucas Goodwin on вЂHouse of Cards.вЂ™ (Netflix) Lucas Goodwin Attempted to Kill Frank Underwood Later in the season, ClaireвЂ™s mother dies. Claire reveals to Frank that she was behind the leak, telling him that his campaign is in trouble and the only way to fix it is to bring her on as the nominee for vice president. South Carolina, youвЂ™ll recall, is FrankвЂ™s home state, so this a major blow to his campaign. She has LeAnn Harvey leak a photo of Frank UnderwoodвЂ™s father with a KKK member, which causes Frank to lose the South Carolina primary. Obviously, Claire can no longer run for that seat now that her husband, the president of the United States, has just backed someone else.Д¬laire soon exacts her revenge. However, Frank winds up betraying Claire by publicly announcing during the State of the Union that he supportsВ Celia JonesвЂ™ bid for the Congressional seat Claire wanted. Frank and Claire subsequently come to an agreement that he wonвЂ™t try to sabotage her campaign if she attends the upcoming State of the Union. Claire hardly seems to care, though, and she spends most of her time putting into place a plan to run for a Congressional seat.Д«ut Claire soon uses her motherвЂ™s illness for her own political gain, announcing it to the world so that this can be her excuse for not being on the campaign trail. Meanwhile, Claire was spending time with her mother,В Elizabeth Hale, who Claire learns is dying of cancer. The previous season had ended with Claire telling Frank that she is leaving him, and so early in Season 4, the press began to ask questions about why Claire was not on the campaign trail with Frank. Much of the first half of House of CardsВ Season 4 was a battle of wits between Frank and Claire Underwood. Robin Wright as Claire Underwood on вЂHouse of Cards.вЂ™ (Netflix)

House of cards season 4 episode 12