Twenty-six-year-old Wang Xin was forced to get married by her family, so she had no choice but to go on an outrageous blind date, where she was made materially difficult and ridiculed by the woman. In the moment of embarrassment, the cute three-year-old Yueyue suddenly appears and recognizes him as his father, activating the strongest daddy system and unlocking a heaven-defying physique and exclusive benefits. A mysterious bodyguard in black appears and calls him uncle, and the wealthy Grandpa Yun even has a hidden plan. The biological daughter who appeared out of thin air, and the whereabouts of the child's mother are a mystery, are surrounded by layers of mysteries. From then on, Wang Xin started a life of counterattack with her children and unlocking a good relationship.