Three years later, Jiang Youan successfully entered CIB and worked together with Uncle Kai, whom he longed for. Friend Li Leer seems to have undergone a huge change, and Jiang Youan doesn't seem to recognize her anymore... And what kind of waves will Mo Xianqing, who resembles Zhuo Kai's first love, set off between Zhuo An? What kind of dangers will these happy enemies encounter during their undercover operation?