When Wilson’s friend and former leukemia patient Tucker suffers paralysis of the arm, Wilson initially insists it’s something other than cancer. House disagrees and offers a wager. However, when Wilson discovers what Tucker’s illness really is, he has to decide whether to make a personal sacrifice to help Tucker live. Meanwhile, Cuddy tries to buy a house for herself and Lucas.  By the way, the title of this episode 9 of Houses is Wilson.