Season 1

Xu Junsen is an elite Organised Crime and Triad Bureau detective, brave and capable, and has always wanted to join the Flying Tigers. Shen Weili has a gentle appearance and has just been transferred from the Crime Squad to O. He has a shrewd mind and rich experience in investigating cases

The "Tiger Killing Case" shocked the world. After careful consideration, Jun Sen decided not to join the Flying Tigers and instead stayed in Organised Crime and Triad Bureau to investigate the case, vowing to bring the madman and the mastermind behind the scenes to justice.

unsen discovered that the mastermind behind the scenes was Zhang Xi, Yaoqi's adopted daughter who had been fostered in South America for many years, and the two decided to cooperate in investigating the tiger killing case.

Junsen discovered that the mastermind behind the scenes was Zhang Xi, Yaoqi's adopted daughter who had been fostered in South America for many years, and the two decided to cooperate in investigating the tiger killing case.

Junsen and Weili worked together with tacit understanding and successfully rounded up the mastermind of the kidnapping case. Zhang Xi received clues from Russian hacker friends, suspecting that the mastermind of the tiger killing case was related to the Wei Feng Group

It turns out that Allawi is an international terrorist who has been on the run for a long time. Junsen thinks that he may be able to provide clues to the tiger killing case and takes the initiative to take over the investigation

Wei Li and Jiayu tried to arrange a time to date again, but fate always took a turn, and Wei Li once again cancelled the date due to work. Zixiong planned a series of armed robberies, and Wei Li secretly obtained the information and planned a large-scale roundup.

Zhang Xi was entangled by Wei Zhaoyang, vice chairman of the Wei Feng Group, and Zhang Xi got into trouble with the gang in order to get rid of him.

Yingsi decorated her new home, and Zhang Xi came to Junsen's house because he wanted to investigate the case for him. Zhang Xi arbitrarily criticized the arrangement of Junsen's family, and even secretly changed the arrangement of the home, which made Yingsi dissatisfied.

In order to understand the case, Jiayu contacted the family of the real murderer and further strengthened her determination to exonerate him. Jiayu decided to adopt a risky and enterprising strategy, which achieved miraculous results.

Junsen drove Zhang Xi home, but the car suddenly lost control. Fortunately, Zhang Xi rescued him in time. Zhang Xi determined that the accident was related to the mastermind of the tiger killing case. Wei Li was found out by his father Shen Hongfu that he was dating Jiayu. He was extremely supportive and urged him to get married.

Zhang Xiyu took care of Junsen's daily life when Yingsi was on a business trip, and unknowingly took on the role of the hostess of the family. Hongfu kept putting pressure on Wei Li, and Wei Li supported Jiayu from beginning to end, which made Jiayu even sure that she had found the right person.

Guo Hao was arrogant in Zhongtian Society, even the police ignored him, and even clashed with Junsen's group. Jun Sum recalled that he had met Guo Hao several times during his years in the police force and was deeply impressed by him.

With careful observation, Junsen found clues at the scene, followed the clues, and finally found the place where Guo Hao was hiding. I thought the matter was over, but Guo Hao suddenly escaped. Xing Junsen was on guard for a long time, because in the process of searching for Guo Hao, he learned about his life in recent years and began to understand his mental journey

Jiang Xinxin, two team members of Junsen and Weili, developed a relationship with Yuan Honglie. After the two made their relationship public, Weili put pressure on Honglie, and Honglie decided to break up.

Zhang Xi discovered through the Dark Web that Master Benson, the founder of Maplewood Academy, had a very suspicious background, and Junsen felt something was wrong. Yingsi pretended to be frustrated and asked Xinxin to take her to the college to investigate, but Benson discovered her and secretly stopped her.

Ying Si trusted Jun Sen and Zhang Xi, but her mother Liang Aici took the initiative to help her fight off her "love rival". Zhang Xi was forced into a corner and confessed everything.

The evidence of the arson case was conclusive, giving Zhenwei and Guancai a high chance of being convicted. Wei Li's meritorious service was praised by the state, and he felt that his future was bright.

Wei Feng's stock price was affected by the property repossession scandal. In order to repair the performance, Donghai decided to demolish the villa of Zi Le's late mother and develop the land.

Zi Le had a childhood that he couldn't look back on. His parents were at odds and his mother died young. From then on, he only wanted to devote himself to his computer world. Later, a traffic accident caused Zi Le to meet Youli.

Based on the time between Fang Lan's disappearance and the start of the live broadcast, her location was estimated, but no one was found. At this point, the kidnappers decided to take further action at the end of the live broadcast!

Many years ago, Youli lived a happy life in Thailand with Song Da, who had rescued her. Later, Song Da and his brother went to Hong Kong to seek justice because the villagers were defrauded by an investment company, but Yu Li's life suffered a huge change.

Zhang Xi successfully joined the target company to conduct a secret investigation and discovered that Dai Chaer, a former employee, had been a mercenary. Zhang Xi found out Dai Chaer's background and obtained his computer files. Zhang Xi continued to follow the clues.

Junsen and Zhang Xi are still suspicious of the target person and want to investigate his personal computer. Zhang Xi later successfully sneaked into his computer, but only found some intimate photos and videos.

Baojiang's wife discovered that Baojiang was missing and called the police for help. Junsen and Weili jointly investigated and finally found Baojiang's body, and also discovered clues related to the tiger killing case.

The real culprit in the tiger killing case has been found, and the truth seems to have "come to light". Junsen and Zhang Xi went to worship Yaoqi, but Zhang Xi found Youli worshiping alone in another place. Zhang Xi is about to leave Hong Kong, and when he and Jun Sen are about to separate, there are twists and turns.

Junsen went to Thailand to investigate the tiger killing case, met Zhang Xi again, and learned about Youli's past.

Zi Le and You Li relied on Kuang Min and Jia Yu's excellent defense to get the two acquitted. Although Jiayu won the lawsuit, she had other feelings and couldn't help but reflect.

The interrogation was over, but Zi Le was heartbroken because of what happened to You Li. Zi Le ignored official duties and was addicted to the computer world all day long, and even became addicted to drugs.

A group of mercenaries fired at the villa, causing chaos inside the villa. Zi Le ran away afterwards and disappeared. Ying Si suddenly meets with Jun Sen and Zhang Xi. Only when Jun Sen arrives does he realize that it is Zi Le's trap.