Ten years ago, top agent Gu Fan rescued the wealthy businessman Su Zheng during a mission in Africa. Not long afterward, the team from General Staff Seventh Bureau that Gu Fan belonged to was ambushed by mysterious spiritual cultivators and wiped out. Gu Fan was gravely wounded and lost his memory. After retiring, he drifted through life in despair.
Three years ago, Gu Fan came to Haicheng. To repay his debt of gratitude, Su Zheng married his granddaughter, Su Qingya, to him. Thus began Gu Fan’s humiliating life as a live-in son-in-law. However, as spiritual cultivators appeared in the civilized world, Gu Fan was once again drawn into the schemes of secluded families...