A snowboarding accident leaves ten-year-old Harris with a broken arm. Orthopaedic practitioner Andy must reset the broken bones, but Harris descends into an uncontrollable fit of giggles as the hospital's laughing gas kicks in. Teenager Ewan undergoes surgery to remove growths from the surface of his bones. However, before he can return home to his video games, he must prove to physiotherapist Nina he is fit enough to walk. And speech and language therapist Sue-Anne assesses a four-week-old baby with a suspected lip tie.