Nina continues to cause problems for the other paramedics as she ignores Fin's instructions and climbs down a sewer to save a man who is trapped but the oxygen starts to run out and Nina's life is also in danger. Luckily. Nina and the man manage to survive but Nina ends up in trouble with Josh for disobeying Fin's orders. Meanwhile, Simon is summoned to see Harry, knowing too well that his job is on the line. Josh is heartbroken when Caroline decides not to go on another date with him and Bex continues to plot to get Luke back. Contributor: Adam Hague