Watch the third part of "House of Cards" above. These videos will be streaming on KCET until January 7.
Description: Collingridge is in deep political trouble and he has no alternative but to step down as Prime Minister. Ironically, he still has great faith in Urquhart, whom he feels is the only man he can trust. However, as the scandals and leaked stories have gained momentum, political journalist Mattie Storin begins to suspect that Collingridge has been framed.