After successfully cracking an online fraud case in the previous chapter, Allen's detective agency made a name for itself. More and more customers are approaching them for help, which creates an even greater challenge for Allen's team. Each case is a new story, full of mysteries and puzzles, but Allen's team uses their expertise and chemistry to reveal the truth to the victims time and time again.

This time, Allen's team is faced with a tricky case of murder in a closed room. A wealthy businessman was found dead in his study, the doors and windows of which were locked. The police were helpless about it, so they had to ask Alan to help crack it. By carefully observing the scene and investigating the suspects, Alan discovers a secret passage hidden behind a bookshelf. Through this clue, Alan gradually uncovers the identity of the real murderer.

Immediately afterward, Allen's team took over a cross-border smuggling case. The case involved several countries, and the criminal organization was large and elusive. In this case, Jack uses his police connections and investigative experience to unearth the inside scoop of the criminal gang. Amy, on the other hand, used network technology to track down the criminals' transaction records. Eventually, thanks to the efforts of Allen's team, this transnational smuggling gang was completely destroyed.

Another high-profile case befalls Allen's office, where the daughter of a wealthy man is kidnapped, and the kidnappers demand a hefty ransom. In this case, psychologist Rita came in handy. Using her psychoanalytic skills, she studied the kidnappers' behavior patterns, providing Alan with key clues to crack the case. At the same time, Nick carefully developed a tactical plan for the rescue operation. After a thrilling rescue, the kidnappers are subdued and the rich man's daughter is saved.

A major pharmaceutical company was hit by a virus attack, which not only caused a huge loss of the company's data, but also threatened the lives of tens of thousands of patients. Allen's team is urgently summoned and asked to quickly find out who is behind it. This time, Amy's technical abilities once again played a key role. She quickly analyzed the source and transmission route of the virus and managed to stop its spread. At the same time, other team members also investigated and analyzed, and finally locked down the suspect. Thanks to the combined efforts of Allen's team, the pharmaceutical company was completely eradicated from the virus, and tens of thousands of patients' lives were saved.

This time, Allen's team is given an undercover mission: to investigate a black market auction. The auction involved a lot of illegal transactions, including the sale of antiquities, drugs, weapons, etc. Alan leads the team members deep into the tiger's den and secretly infiltrates the auction. In the process, each team member brings out their own strengths. Amy is responsible for stealing transaction records, Jack uses his connections to find out the news, and Rita is responsible for analyzing the atmosphere of the scene and the psychology of the suspect. After a series of sophisticated planning and operations, Allen's team successfully uncovered the crimes of this black market auction and brought those involved to justice one by one.

opponents. The mysterious opponent seemed to know everything about their every move, always keeping an eerie distance. The clues in the letter lead Allen's team on a journey full of unknowns and dangers, and each team member can't help but wonder who is manipulating this game.

To solve the mystery, Allen's team began tracking down the source of the anonymous letter. However, each clue seems to have been deliberately set up as traps, trapping them into one crisis after another. In this arduous struggle, the team members gradually showed their unique courage and wisdom. Amy cracks the trap set by the opponent, Jack uses his extensive detective experience to spot false clues, and Rita uses her knowledge of psychology to analyze the behavior patterns of her opponent. Nick is responsible for ensuring that team members are able to act quickly in the face of a crisis.

After a lot of hard work, Allen's team finally finds the hiding place of the mysterious opponent. In a tense showdown, they reveal the true identity of this rival – a traitor who was once a member of Interpol and threw himself into the world of crime because he was disappointed by justice. However, in front of Allen's team, the former hero is eventually defeated, remorsefully realizing his mistake.