They've always been a great team. But now in season four, Frank and Claire become even greater adversaries as their marriage stumbles and their ambitions are at odds. In an election year, the stakes are now higher than ever, and the biggest threat they face is contending with each other.

Betrayed by the White House, Congressman Francis Underwood embarks on a ruthless rise to power. Blackmail, seduction and ambition are his weapons.