At the point when a patient named Margaret McPherson is admitted to Princeton Plainsboro subsequent to enduring serious and wild retching, House and the group cause surprising revelations about her way of life as they to survey her indications. At the point when the indications don't improve, the group looks to the patient's clinical history to uncover more about her past. Then, House gives Chase's fresh recruit a virus welcome, and a visit from House's back rub advisor powers House and Cuddy to defy the reservations in their relationship.