All's Fair was the twelfth episode of Series 5 and the 64th episode of Casualty overall.
Julian joins friends for a fun day of war games and Julian's off-duty dress causes some surprises. A diabetic woman, brought into casualty, suffering from a blackout, finds Ash a comfort. Megan and Beth try to unlock a family secret that could explain a young girl's suicide attempt, Jane and the father tells Megan that his wife died of cancer three years ago. Leigh Clarke's brother Scott, having been hit by a van, tries to cover up the truth by removing him from the scene of the accident before calling for an ambulance.