The rape and murder suspect dies in the interrogation room due to being beaten up by the crowd earlier. The three teams responsible for this case are also imprisoned together, while the other suspect is still at large. After being released from prison, the three teams, led by their captain Cheng, track down their whereabouts. They pursue the culprit for twelve years.

The plot follows Princess Turandot who is cursed by a mysterious power emanating from three Mazovian bracelets that were given to her as birthday gifts. These bracelets’ life-draining effects cause the princess to becomes cruel, and gradually she loses her humanity.

Chen Dali is a taxi driver who makes money every day to earn money. He likes to gamble and owes a debt. In a rear-end accident, because he had no money, he lent his identity card to the female anchor Xiaobai. Unexpectedly, Xiaobai was kidnapped by a crazy fan Ermao, and asked her to return all the rewards she had. At this time, Dali was eager to return to his hometown to withdraw money to repay the gambling debts he had owed. He wanted to find Xiaobai to get his ID card back, but realized that Xiaobai might be in danger. Vigorously and the security guard Jia Zhengyi, who had the police dream in mind, chose to find out the truth of his own affairs, so he embarked on the road of understanding Xiaobai, and the two found the hiding place of the kidnapper after many twists and turns, defeating the kidnapper In the end, the kidnappers were brought to justice, and Dali and Xiaobai also had a good relationship with each other in the process, opening the next fate.

A sexually impotent motel owner hires a hit man to murder his cheating wife; everything goes exactly as planned, until two blind daters, a robber, a policeman and a strange dead body unexpectedly arrive.

A series of serial killings is exposed and creates a stir among the public. A killer called "Darker" has been leaving a death notification card after killing scumbags who evaded the law. To counter the provocation of the mysterious killer, the police creates a special investigation team.