S2 · E17
All In
What Happened Last Episode
• A teen heart transplant patient suffered an allergic reaction.
• House investigated the cause while she lived in a clean room.
• The team struggled to identify the hidden allergen triggering her symptoms.
• Wilson moved in with House, creating domestic tension between them.
• House and Wilson clashed over boundaries in their new living arrangement.
Key Characters
Gregory House
Redeems a decades-old diagnostic failure by saving a boy with the same mysterious illness.
James Wilson
Moves in with House as a roommate following his marital separation.
Eric Foreman
Led the team's diagnosis remotely while House was stranded out of town.
Robert Chase
Faces disciplinary hearing after his medical mistake contributed to a patient's death.
Lisa Cuddy
Arranges for Stacy to be transferred away from Princeton-Plainsboro to protect House.
Allison Cameron
Finally takes her HIV test and receives a negative result.