Meredith grows increasingly dissatisfied with the unknown details of Dereks life. Meanwhile, Alex treats Devo, a patient whose religious beliefs jeopardize her chances for recovery; Izzie contemplates reconnecting with her estranged mother; Zoey, a pregnant woman in her 40s whos been diagnosed with cancer, disagrees with Cristinas medical advice; and the interns are mystified by Cable, a patient whos being treated for seizures and who thinks hes psychic.