Song Linyuan, who was once the top swordsman in the world of martial arts, proclaimed himself a cultivator and lived in seclusion in the city to protect his wife and children, turning into an ordinary nanny. When a mysterious force targets his son with pure spiritual roots, he is forced to unlock his strength. While taking care of the housework and accompanying his children, he secretly deals with enemies in the world of cultivation. He protects his family with the power of Heavenly Cultivation, and performs a passionate and warm daily life of "being able to fight monsters and change diapers".
