Casualty: Season 21, Episode 3

21 - 3: Waste of Space

Nathan is continuing to worry about his future and becomes distressed when he cuts himself. Selena convinces him to take a blood test and he is glad to have her on his side, but what will his results say? Harry turns detective when a woman is brought in following a suspected overdose. Events lead him to suspect her GP of acting inappropriately. Meanwhile,Ellen is on a mission to convert the others to her health kick. An aggravated Kelsey decides a practical joke is the best way to get back at her, but her actions end up having unexpected consequences for Alice. New paramedics Dixie and Cyd arrive this week and Josh is unimpressed by their laid-back attitude. When Dixie criticises Josh's management, he decides to break the two of them up.