Lu must decide whether to let Sophie have another kidney from a donor after her sister Francis doesn't want to donate her kidney to her sister because she is tired of all the operations she has had to help her sister through. The time for deciding who be the next chief resident draws near. Kayla and George are tested to see how good they can do with each patient. Kayla misses the interview for chief resident after misdiagnosing a patient with back pain. Kayla learns that the patient's life is in danger.