The Prequel of Gold Convoyers: A Fearful Crisis (2010)

The Prequel of Gold Convoyers: A Fearful Crisis 2010 / 镖行天下前传之燃眉危机 2010 / The Prequel of Gold Convoyers Part 6: A Fearful Crisis , Biao Xing Tian Xia Qian Chuan Zhi Ran Mei Wei Ji , 镖行天下前传6 , 鏢行天下前傳之燃眉危機

It tells the story of Wang Zhao Xing and Gu Ping An who escorted grain and grass to Youyu Pass and encountered civilians and soldiers of the city being plagued with Black Spot disease for which they have to find a cure for. (Source: Chinese = Baidu || Translation = XuongPhim)