After Xiao Mei, Xiao Shuai, and Xiao Ming defeat the Shadow Workshop of Fire City, guided by Master Lie from Fire Dojo, they arrive at Wind City. They uncover the past story of Wind City's young master Xiao Ming, and by challenging the Trial Tower set up by Xiao Ming's sister, the three pass through the trials one by one to finally defeat Xiao Ming's sister. They obtain the truth about what happened in Wind City that year, and Xiao Ming's sister guides Xiao Ming and his group to destroy the Shadow Workshop headquarters and rescue Wind City.