Hidden Tiger(2016)

Hidden Tiger is a Chinese crime series following Wang Ruonan, a vice captain in the Criminal Investigation Department, and Qiu Tian, an undercover officer, as they investigate a case in the port city of Jiangzhou. Their investigation uncovers a dangerous conspiracy involving Liu Dong, a ruthless drug trafficker and local crime boss with deep roots in the city. As the two officers dig deeper, they must navigate corrupt networks and deadly threats while trying to bring down one of Jiangzhou's most powerful criminals. The series blends procedural detective work with high-stakes undercover operations, exploring the personal costs of police work and the moral complexities of fighting organized crime from within.