When a 20-year-old funeral home cosmetician, Irene, has a massive seizure, she hallucinates that the cadavers in the funeral home have come to life, House and the remaining seven fellowship candidates must figure out why. As the team runs tests, they realize Irene is carrying on conversations with her long-deceased mother, who she believes is sitting in the room with her. Thinking something in the funeral home may have made Irene sick, House sends the candidates on some less-than-desirable investigative missions, one of which involves a visit to a graveyard. As Irene's symptoms become more life-threatening and her ghostly visions more vivid, House surmises that connecting with Irene's dead mother might be the best route to diagnosing her illness. Meanwhile, Foreman finds his "House-like" reputation has preceded him as he interviews for a new job, and House must narrow down the candidates from seven to six.