Starring: (playing rascal Chen) Identity: 26 years old. Just transferred from North Branch to South Branch. Features: By dodging bullets, boring intuition, inexplicable tips, a policeman with a high detection rate. Driving a sports car, wearing a famous brand and hitting on hot girls is nothing like a real policeman. It always seems that it doesn't matter to anything, and' new' is just a disguise to cover up the truth inside. (Wu Yingxiong) Identity: 26-year-old, police officer of the Crime Squad of Southern Branch. Features: A little too strong sense of justice. Every time you chase someone carelessly, you will crash and jump to death. There is a clear distinction between right and wrong. It is a hero in the eyes of your colleagues and a madman in the hearts of officers above the group leader level. Chen Yihan (Chen Lin) Identity: 22 years old, daughter of the chairman of the largest underworld gang. After graduating from college, I worked part-time everywhere. Features: it looks like a beautiful porcelain doll from a distance, but it is found to be a raptor when you look closely. She is straightforward, loyal, and loves to fight injustice. If she goes against her principles, she will teach you a lesson in judo. Zhang Junning (C-Yin Lan) Identity: 26 years old, forensic doctor of Southern Branch. Features: gifted students with super high IQ, forensic experts, calm and rational, good at analysis. Handsome beauty is always in a dark laboratory, and her fearlessness to her body comes from her kindness to help others. Chen Junlin, the leader of the special crime unit, Chih Wei Tang, who is decorating bullets to solve mysterious cases, has never been his strong point, but he runs first in the limelight. The rascal with the highest detection rate in the north and the hero with the highest detection rate in the south are in the same group, and the troublesome two people have become his eyesore. Qin Pei, the leader of the Sanlian Association, plays the role of the leader of the Sanlian Association. He was nicknamed "old man" on the road, while his brothers called him "president". Have considerable power and influence, give orders, and act with majesty and ferocity. His wife has passed away, and Chen Lin is the only precious daughter. Na Weixun, the head of the Southern District Guild Hall of Sanlian Association, plays the most trusted right-hand man of the elderly, known as' Brother Goose', who is taciturn and introverted. When I was young, I was born in the Jianghu and had the spirit of a military commander. He was very loyal to the old man, did carry out his instructions and kept his mouth shut. Interpol Ramusa, a charming Interpol in Sui Tang, is proficient in six languages. In order to trace the death of the jeweler in "The Heart of Troy", he came to the side of the local ruffians and heroes.