Mac's patient, independent sixteen-year-old Alex is keeping a secret from her mother. Does Alex have cervical cancer? Little does she know that her mother is hiding a secret of her own. Helen and her husband Phil are arguing about his decision to return to college as a mature student. Adding to the strain on their marriage is sorting out childcare arrangements. Steve's brother Chris flirts with his doctor Helen and she seems flattered by his attention. Jo has a crush on Chris and although she wants to ask him out, she backs out at the last minute.