Kayla Colbert

When a patient named Margaret McPherson is admitted to Princeton Plainsboro after suffering severe and uncontrollable vomiting, House and the team make unexpected discoveries about her identity as they assess her symptoms. When the symptoms don’t improve, the team looks to the patient’s medical history to unearth more about her past. Meanwhile, House gives Chase’s new hire a cold welcome, and a visit from House’s massage therapist forces House and Cuddy to confront the reservations in their relationship.

After saving a stranger who fell onto subway tracks, a man suddenly collapses despite appearing to be unscathed; House tries to avoid a dinner with Cuddy and her opinionated mother (Candice Bergen).

A boot-camp trainee and his drill sergeant exhibit the same peculiar symptoms; an indecent photo of Chase is posted online; House helps prepare Rachel for enrollment at a prestigious preschool.

A newborn experiences breathing problems and liver failure; House requests a female doctor be hired for the team; Cuddy asks House to baby-sit.

Relationships at any age face growing pains.