Li Huiyan received a case in which a student was tied up. Knowing this, Li Huiyan made great efforts to investigate and wanted to rescue the students as soon as possible, because the students were still young, and if time dragged on, something would probably happen to them. After several investigations, Li Huiyan couldn't find the place where the students went. Li Huiyan was very anxious. He was really afraid that the young international student would be killed, so he found a travel option to find the real murderer behind the case with him.
The policeman played by Li Huiyan in the play is a genius policeman. The case he examined will soon collect evidence and catch the murderer, but this new student case made Li Huiyan want to break his mind and failed to find the murderer. During the investigation in Li Huiyan, I finally saw the students go to the Twin Towers in the town through monitoring. Li Huiyan took the tourists to the Twin Towers. After they entered the Twin Towers, they were originally investigating the case of students being tied up, but they were caught in a bigger case.
When Li Huiyan and Zhou You came to the Twin Towers, they didn't know that danger was coming to them step by step. Their unintentional act was discovered by the real murderer behind the Twin Towers. So the real murderer kept moving places with the students, which made the investigation of Li Huiyan and Zhou You more difficult. The murderer kidnapped the students because the murderer suffered from a serious blood disease. Only the students can provide fresh blood for the murderer to survive.
At the end of the story, under the investigation of Li Huiyan and Zhou You, the murderer finally surfaced. The two of them caught the kidnapper of the students and exposed the dark forces of the Twin Towers.