House and the team try to diagnose a man living with severe, chronic pain; Thirteen and Foreman explore their complicated relationship; Cuddy discovers that caring for her baby leaves her with little time to run the hospital.
Event Year: 2004
Joy to the World
House and his team deal with a bullied girl who collapses during her school's Christmas program. Meanwhile, Foreman and Thirteen grow closer during the Huntington's disease drug trials, House gives a patient a gift, the staff wonder who gave House a special gift, and Cuddy gets an unexpected gift.
Let Them Eat Cake
The team takes on the case of a fitness guru on an all-natural diet who collapsed while filming a video. Meanwhile, Foreman conducts Huntington's Disease drug trials and Thirteen signs on as a subject, Cuddy is forced to move into House's office, and Kutner uses House's name to run an online medical-advice website.
Brave Heart
A dying patient insists that he has the same disease affecting his heart that killed his father and grandfather at the age of 40. Meanwhile, House discovers that he has a hearing problem while trying to duck student rounds.