Chen Yan, a former special forces logistics expert who worked vigorously and resolutely, lives alone in a strange city after retiring due to injury. One day, he suddenly received a letter from a lawyer - his distant cousin, whom he had never met, died unexpectedly, leaving behind a five-year-old daughter and named him as the guardian. Overnight, he went from being a bachelor to becoming a father. What's even more bizarre is that when the child called him "Dad" for the first time, his mind was constantly filled with the professional skills of various strangers: the Michelin chef's knife skills, the kindergarten teacher's sleeping skills, the pediatrician's nursing knowledge... These skills appeared randomly like pop-up windows and could disappear at any time. Faced with this traumatized, sensitive and stubborn little girl, Chen Yan decided to use his newly acquired "superpowers" to build the most stable home for her in the ordinary life. However, the enemy he made during the mission that year, a retired agent with a twisted psychology, also followed the clues and found the city...
