House of Cards - Season 1 Episode 4 Part 4

Urquhart’s ruthless scheming has worked. As the leadership election looms, all his leading rivals have been discredited. But even though the obstacles in his way have been erased, there is still no guarantee of his winning. Meanwhile, by the process of reason and elimination, the truth is beginning to dawn on Mattie, though she can hardly bring herself to believe that “Daddy” is not what he seems. As for Urquhart, he has too much to lose now to let sentiment stand in his way. He will go to any lengths to prevent her, or anyone else, from finding out just what he has done to gain power.