the immortal cultivation genius su yishui (played by deng wei), was changed by his master mu qingge (played by xiang hanzhi) 18 years ago. mu qingge, who has always been rebellious, also died of stigma for this. eighteen years later, mu qingge turned into xue ranran, and su yishui, who had succeeded as the head of the xishan sect, brought ranran, who was weak and dying, to his subordinates.
zheng hao (played by nie yuan), director of the risk control bureau of lingshui district taxation bureau of xindong city, used big data technology to repeatedly solve major cases and was transferred to the inspection bureau as the head of the second inspection section; his ex-girlfriend liang jinqiu (played by yang rong), returned to china to develop his career at this time after working in a foreign country for many years; and he and the two of them were called "high iq iron triangle" during their college years.
