Emperor Li Shimin is furious when his sixth prince, Li Yin, causes havoc at a princess's wedding, severely injuring the crown prince and the groom-to-be. Li Yin refuses to apologize, leading to his banishment from the royal family. However, six months later, Li Yin's success in business astounds the emperor. His company, the Glass Factory, generates millions of guan per month, providing millions of jobs and enriching the nation. The emperor, humbled, begs Li Yin to return to the palace, but it may be too late...