(Cang Tang) Whose Courtyard Is This?

Ye Zhen, a young master of the Xihu Cangjian Sect with a talent for garden design, loves all things refined and owns countless properties. One day, he took a fancy to a small courtyard. After buying it, he planned to hire a servant to guard the place for a low price, unaware that the servant was actually a Tang Sect assassin who had gone into hiding after retiring from the jianghu at a young age.