House Of Cards: Season 1

House Of Cards: Season 1 is the original season of House Of Cards. There were 14 contestants, 6 male and 8 female. A viewing link to the season, complete with cast bios and an episode by episode commentary can be found here.

Half-Sibling Twist
At the beginning of Week #1 it is revealed that Tim Townsend and Cory Aaron are actually half-siblings, but neither of them were ever aware of this.

Twin Sisters Twist
At the beginning of Week #2, Peri Cosse switches place with her twin sister Rhea for the week. It is then revealed that if Peri is not eliminated in the next four weeks, Rhea will permanently enter the game alongside her.

Week #4, Eviction
After the eviction ceremony, it is revealed to the house guests that Peri's twin sister Rhea will be entering the game.