Dr. Greene discovers that Amanda Lee is a fake and Anspaugh never saw through her credentials. When Lee finds out that Greene is suspicious, she locks him with a patient inside. An old friend of Greene's recommends him for a NASA mission. Benton's son is having difficulties in day care. Doug and Carol help the exhausted mother named Joi of a little boy named Ricky who has a terminal illness. Carter is jealous when Lucy goes on a date with Dale.