It tells the story of Yuan Sen, who finished his security duty and drank at home to relieve stress, and then returned to the day when he was 18 when he finished the college entrance examination. This time, he still filled in the police academy, taking with him the experience of his previous life and his unfinished heroic dream to start a counterattack. He said: "In this life, I want to be the chief of public security and I will have no regrets."
