If a lone tree falls in the forest, does it make a sound? When a young mother of three suffers a stroke, Kovac and Sam race against the odds to save her life. Knowing that a controversial surgical procedure is his wife's only shot at a full recovery, a husband must make the unenviable decision to risk her life in order to save it. Pratt confronts Morris about his stupid behavior and impresses Susan, but he surprises her by saying he's not interested in being Chief Resident. Carter can't tell Wendall he's over Kem, so she walks away from him.