A small criminal investigation story, a wild and innocent young man is attacked and a gentle and yuppie is sinister. This is a story about how hate turns into love, a story about the growth of a boss and a rookie, and a story about a 12-year emotional curse.
Su Yifan, the former captain of the A-level special case action team of the H City Criminal Police Detachment, unfortunately died in a mission a few years ago, leaving behind a 20-year-old son Su Bing. Soon after, Li Jianghu, Su Yifan's most effective assistant during his lifetime, took over the position of Captain A and resolutely took up the responsibility of taking care of Su Bing. After that, Li Jianghu started his daily routine of quarreling and bickering with the unruly Su Bing. By chance, Su Bing joined Team A. Since then, he has been with Li Jianghu to experience the ups and downs of human life and uncover the mystery of the mystery. However, after clearing away the fog, Su Bing gradually discovered that the truth about his father Su Yifan's sacrifice a few years ago was not as simple as imagined...