In the economically developed eastern province of Guangdong, Luoyuan County is a county seat with the lowest public security status, and the flood tide of the era of sweeping and eradicating evil has engulfed it. The young criminal policeman Wu Jian encountered the obstruction of the underworld forces on the way to investigate a shooting case, and the evidence he handed back to the police force disappeared. He could not clear the suspicion, only Wen Luyang resolutely chose to believe in Wu Jian and invited him to cooperate Task Force work. Wen Luyang, who doesn't play cards according to the routine, and the upright guy Wu Jian, who is thick and thin, have formed a pair of case-solving combinations with different styles.