The time traveler Han Cheng died of overwork as an online writer in his previous life, and was reborn as an intern at the Jiangnan Branch of Nan City. He accidentally activated the super police system and gained many skills through solving cases. He was promoted to a special consultant of the special case investigation team and solved many major cases. During this period, he and Liu Yifei developed from a fake couple to a real couple, with safeguarding social justice being their core motivation.
