Originally a BL story, this drama adaptation focuses on the bromance between former special forces soldier Guo Yang (Yang Shi Ze) and narcotics officer Zhang Chen (Cai Zhi Chen) instead. In order to bring down a drug trafficking organization, Zhang Chen approaches Guo Yang and asks him to become his partner.
Narcotics officer Luo Ying Wei (Li Yuan) witnesses her boyfriend’s death during an operation. In order to find the culprit, she applies to transfer to the Pinglan City Public Security Bureau Archives Center. After her transfer, Ying Wei forms a “Cold Case Team” consisting of her and three other female officers, gossip Cai Wen Xin (Shi Shi), beauty Xia Luo Yang (Pu Tao) and the taciturn Ping Yi (Xu Yuan). The unlikely team leaves everyone flabbergasted, but with the trust and help of Wen Xin’s brother Cai Wen Fei (Wang Yu), who is the team leader of the criminal police, as well as other seniors, the four women succeed in solving several cold cases and come closer to the truth about the death of Ying Wei’s boyfriend.
After being released from prison, a mysterious man roams the city, the city where he still felt warmth 3 years ago, but can only feel hatred for now. He has only two wishes left: to bury his daughter and kill the people who destroyed his life. The paths of two strangers, hematologist Li Xiao Feng (Li Li Ren) and insurance agent Ji Fan (Marc Jia), cross when they both desperately need a big sum of money. Career woman Li Ruo Nan (Eva Zhu) has a rebellious daughter, Wang Yi Han (Zhao Yun Zhuo), who hates her mother. Finally, there is Liu Ge (Liu Nan), an elite of the financial world who can’t get rid of his gangster ways and only believes in money. The lives of all these people become intertwined in a kidnapping case that will significantly change them.
Based on real cases, the drama tells how a multinational drug cartel teams up with local criminals in Dongshan in order to build a large scale underground methamphetamine factory under the protection of corrupt local government officials. A team of unfearful officers from the Police Narcotics Bureau, Team Leader Li Wei Min (Wu Gang), his son Li Fei (Johnny Huang) and others, set out to cripple the drug cartel in the special operation “The Thunder”.
In order to uncover a huge telecommunications fraud case, the former deputy team leader of the criminal police Kuang Zhong (Guo Xiao Dong), Ma Sai (Xu Yue), Zhu Xi Ning (Wang Qian) and others form an emergency team. They will spare no efforts to fight against the crime syndicate and protect the people’s assets.
Genius student Xu Lang (Zhang Chao) who specializes in Criminal Psychology obtained a PhD at the University of Maryland. After returning to China, he joins the public security bureau but is severely injured and even loses his younger brother while solving a case. Seven years later, Xu Lang is the youngest professor of Criminology at the National Police University. Then, his friend Tang Sen (Leon Lee) invites him to return to the field and help out their newly established “Criminal Psychology Team X”. Together, the team of four uncovers unsolved cases and also finds new clues in Xu Lang’s life-changing case from seven years ago.
While growing up, Chi Zhen (Ronald Zhai) learns all the necessary skills and tricks to survive in a harsh world. He becomes an unscrupulous lawyer, but is caught by the police for a crime and sent to jail. Lu Li (Andrew Yin), on the other hand, is the top student of the police academy. When he starts working as a police officer, he manages to solve several big cases in a few years time only and is thus appointed as the chief of his police station. Four years later, the released Chi Zhen is on his way to become a successful businessman while Lu Li is trying to find hints in a mysterious case. Fate brings Chi Zhen and Lu Li eventually together, and while they start out as opponents, they later become partners and friends who even put their lives in each other’s hands.
As international drug trafficking rings grow more daring and powerful every day, China sets up a joint task force to halt the flow of narcotics. When Chinese cop Luo Jia (Li Guang Jie)’s partner is lost in international drug operations, Luo volunteers to infiltrate the Seven Star society in Lankupa City as a spy. After entering the criminal underworld, Luo forms an unlikely alliance with a prison guard (Mickey Yuan) who is searching for his lost brother. Working together to piece together threads of evidence, the pair begins retracing the steps back to the true puppet master behind the scenes.
This Hong Kong-based drama has been made to celebrate Hong Kong’s return to China 20 years ago. The story is about how the Organized Crime and Triad Bureau (OCTB) of the Hong Kong Police Force (HKPF) discovers an enormous conspiracy involving hundred years of history of Hong Kong’s criminal underworld.