Back in Time: from a Young Policeman to the Pinnacle of His Official Career!

In his previous life, Jiang Cheng was shot while hunting down criminals with his master, killing two of the hostages and injuring one. While tracing the whereabouts of the shooting culprit, he was assassinated by a mysterious killer. After being reborn, he wants to change the fate of himself and his master! Jiang Cheng: In this life, I will climb up step by step until I reach the top! Whoever stands in my way, whether you are a dark force that brings trouble to one side, or a killer organization that spans the world, whether you are a collusion between government and businessmen, or an umbrella of evil forces, I, Jiangcheng, will become your nightmare!