S4, E4: A local jockey dies on the racecourse at Ballarat Racetrack the day after his very last win, surrounded by a bevy of nefarious characters. Complicating matters for the Doctor is that the deceased is Agnes Clasby's beloved nephew, Alexander. What had Alexander gotten himself involved in at the track? And Blake’s home life is been thrown into chaos by the arrival of Mei Lin; the wife he thought had died almost 15 years ago during the fall of Singapore...