Paul meets 13-year-old Noah, who has checked into the neurology ward ahead of an operation to correct a structural defect of the skull. The youngster needs to overcome his anxiety, however, so Paul joins him on a fun tour aimed at demystifying surgical theatres. Other children include seven-year-old Oliver, a long-term patient who is struggling to walk after being struck down by arthritis, and 17-year-old Rue, who has lost much of her sight and is now using various gadgets to re-learn many everyday tasks.