Diagnosis: Effie

A new couple, Emma and Hugh Lanston, move into the building. Nicholas doesn't want to know them, but Effie forces him to. It turns out they're English, whom Effie is so infatuated with that she invites them for dinner. Although all the Lanstons do at dinner is argue, Effie -- who's started talking like an Englishman herself -- wants to be friends. Until she drops by their apartment and hears them having a violent fight, after which Emma mysteriously disappears. Making like Mark Sloan, Effie puts on her detective's hat, and sets about to crack the case of the missing British housewife. With the investigation barely afoot, Emma reappears with a big trunk -- and now Hugh is gone. Effie confronts Emma in hopes of getting a confession out of her, but Emma breaks down in tears, saying that she's going back to England because Hugh left her. Her story doesn't quite hold up when the apartment's new resident tells everybody that the only part of Hugh that left Emma is his head -- which now resid