Li Junjie returned to Mohi and was reinstated. Zhou Zixuan was besieged by the city of Ba in Calais. Li Junjie (William Chan) holds a bunch of flowers and wants to propose to Zhou Zixuan (Gulnazar). Suddenly, he was stabbed on the road. In a painful struggle, Li Junjie found Zhou Zixuan and knew that someone was going to kill her. In order not to let her be found, Li Junjie called Zhou Zixuan's name, and a bullet flew over. Li Junjie was awakened. It turned out that he had a nightmare. Li Junjie, Patang's former Mercer agent, has been secretly observing the criminals' movements. Mou Chuan (Yam Tat-wah), director of Mercer's Batang office, asked Heshi () to be responsible for the security of VX3, which is the safest network equipment in the world and can protect Mercer's network. Many terrorists are watching VX3, including Calais. Hao Yun was very excited. He said that he had been looking for Calais for three years, and he must not be spared this time. Li Junjie suddenly received a short message, and someone told him that Calais had returned to Batu.

The second episode: Mouchuan implements Plan B, and Calais is imprisoned by Li Junjie. At the critical moment of danger, he rushed to the scene and got off the bus quickly, breaking Calais' plan. Calais still didn't let them go, and tried to kill Zhou Zixuan and Li Junjie with machine guns. Li Junjie drove to attract Calais' attention and chased Calais' position. The two men fought on the roof. Zhou Zixuan drove to catch up, but the car ran out of gas, so she had to stand on the roof and try to shoot. However, the fighting between the two men was chaotic, and Zhou Zixuan was not completely sure to kill Calais. Mouchuan asked her to shoot, even if it would hurt Li Junjie, Zhou Zixuan couldn't resist, so she had to do so and hurt two people at the same time. Calais drove away, Li Junjie drove after him, and finally caught Calais. Calais kept stimulating Li Junjie, telling the story of killing Chen Gang, and Li Junjie felt very uncomfortable. When Hao Yun persuaded Li Junjie to calm down, shooting would ruin his future.

Episode 3: Meng Liang deliberately planted a fake bomb, and Calais was rescued during the transfer. Li Junjie asked Calais why he wanted to kill Chen Gang. Calais thinks that Li Junjie should thank his employer. He didn't kill Li Junjie at first, which was ordered by his employer. As a professional killer, he won't betray his employer. At this time, Meng Liang destroyed the prison and the power grid of the police station. When the cell was opened, Calais ran out. MouChuan let Maya to deal with, turn off the server, absolutely can't let Calais escape. Li Junjie and Calais fought at the gate of the cell. Meng Liang let hackers turn on the power grid, use Calais to escape, and deliberately hide the in address, just to let Moxi find himself. Meng Liang is a dangerous man pursued by Interpol. Mouchuan thinks Meng Liang will rescue Calais again, and once he is found, he must be killed.

Episode 4: Li Junjie chases Nanshan Island, and Hassan enters the venue to shoot Ma Qiming. Mouchuan was anxious to return to Mozambique, and the mayor was worried that Calais would escape. Chen Haodong asked Mouchuan that the police were making plans for the escort operation and suspected that there was something wrong with the police. Mouchuan thinks the police are trustworthy, but Chen Haodong said that vx3 is still in City University, which is not a safe place. He was worried that Calais would miss it again, and he proposed to put vx3 in Mozambique. Mouchuan also thinks this idea is very good, because Mohs' safe library is the top in the world. Chen Haodong said that he still claimed to be at City University and hoped that Mouchuan would keep it strictly confidential. Mouchuan said that he would not tell Mohs insiders. In order to protect safety, vx3 was secretly transported to Moxi's safe warehouse. Mouchuan entered the safe warehouse through layers of hidden locks, revealed the current location of vx3 to the mysterious person, and assembled it with the controller. The mysterious man said that he could continue to do what he failed seventeen years ago and control all the networks.

The fifth episode: Liu Yun's death left a mysterious gesture, and Meng Liang deliberately left a chip clue. Unfortunately, Liu Yun was shot. Zhou Zixuan and Li Junjie came back and saw the news on the big screen in the street. Mouchuan flew into a rage, thinking that he was the most trusted department of the government, and even let the protected people be killed, because Liu Yun was also one of the protected people. He told him to take off his coat, accused him of being useless, and asked where he was. Zhou Zixuan said that she went to Nanshan Island to chase Meng Liang, and Li Junjie was fired by Mouchuan. When Hao Yun blamed herself, she watched her colleague get shot. Zhou Zixuan just wanted to know the scene and learned that there was another female assistant, Chen Jingwen. Zhou Zixuan went to the hospital and immediately asked Chen Jingwen. Chen Jingwen was afraid. She couldn't wash away Liu Yun's blood. It is said that the night before he came to Bacheng, he received a temporary notice asking him to replace his former assistant Wu. Chen Jingwen described the scene to Zhou Zixuan. She was completely scared and didn't want to remember. She interrupted the horse and asked not to embarrass him.

Episode 6: Li Junjie was framed for receiving an e-mail, and Zhou Zixuan used the relationship of the headquarters to help Jie Jun. I met with Mayor Ma in the villa. The police are responsible for the security of the whole meeting, and Mohi is also involved. Chen Haodong is responsible for the safety of the whole trip. Under the preparation of the security guard, he took the horse into the room, ready to wait for the arrival of the mayor. Ma thinks there is no need to go to war. He wanted to take VX3 away as soon as possible and return to work in Chonghai, but the whole venue was closed and he was not happy. He hoped that Chen Haodong could open the curtains so that he could have a better view. When Chen Haodong opened the curtain, a bullet went through the window and hit the wall. The scene is tense. Attention, everyone. Run from the window to the roof. They found Li Junjie with a sniper rifle aimed at the meeting window. No one listened to Li Junjie's explanation. The police took Li Junjie away for questioning. Inspector Wu thought he was trying to kill the horse. Li Junjie closed his eyes and recalled the whole process. Zhou Zixuan thinks this is a trap. When Hao Yun thought all the evidence was against Li Junjie, Zhou Zixuan wanted to ask Mouchuan for help.