Bai Hui took Han Yundong's blood pressure. When she saw He Xiwen when she went out, she greeted her. Wu Rui was chased by Pang Hongmei and Chen Dongsheng and fled. He held He Xiwen hostage with a dagger. Niu Pei first heard the news and came to persuade Wu Rui. Wu Rui knew that he was in doom. , he couldn't listen to anything, Chen Dongsheng persuaded Wu Rui to put down his weapons and strive for leniency.
Bai Hui was worried that Wu Rui would surrender, so she approached him step by step and gave him verbal hints. Wu Rui stabbed Bai Hui in anger, and Pang Hongmei shot Wu Rui to death on the spot. Ji Danyang came to see Bai Hui and greeted her. Pang Hongmei regretted not catching Wu Rui's accomplice. Chen Dongsheng advised her not to worry. Pang Hongmei wanted to meet Li Qiuchen for a while.
Li Qiuchen came to the library to read. Pang Hongmei watched his every move from a distance. Bai Hui came to the library to meet Li Qiuchen. When she saw Pang Hongmei spying on Li Qiuchen, she hurriedly hid aside. Li Qiuchen came out of the library, followed closely by Pang Hongmei. Bai Hui suddenly called out to Pang Hongmei. She claimed to be delivering medicine to the patients for Bai Minghan. Pang Hongmei had to stop and chat with her, and Li Qiuchen took the opportunity to slip away.
Li Qiuchen came to Miao Huilan's tailor shop and learned that agent Wu Rui was dead. He wanted to meet Pang Hongmei and completely dispel Pang Hongmei's suspicion of him. Miao Huilan persuaded him to give up as soon as possible, and Li Qiuchen wanted to give it a try. Pang Hongmei lost track of Li Qiuchen. She stood by the Luhe River and recounted the recent events from beginning to end. She felt that Bai Hui was suspicious. Bai Minghan happened to be passing by. He called out to Pang Hongmei. Pang Hongmei curiously asked him what he wanted Bai Hui to do. Bai Minghan was very busy with medicine delivery, so he asked Bai Hui to deliver medicine to Lao Fu.
The police officers separately investigated the people around Wu Rui, but no suspicious person was found. Chen Dongsheng heard that Wu Rui had been suffering from nosebleeds recently and asked Bai Hui for treatment every time. Chen Dongsheng and Pang Hongmei discussed a good way to test Bai Hui. Lu Cheng came to see Bai Hui at home, curious to find out whether Wu Rui had anything to do with her, and persuaded Bai Hui to surrender. Bai Hui refused and promised to go to Hong Kong when the teacher arranged their affairs. Bai Hui took the opportunity to ask him about the seal. As for the location of the test cabin, Lu Cheng lied that he would leave while waiting for the sealing test, and Lu Cheng revealed that it was in the back mountain.
Ge Yun informed Bai Hui to give Chu Huaiqiu a massage. Bai Hui came to the expert building on time. Chen Dongsheng called to hand over Chu Huaiqiu. Pang Hongmei and Ding Jie hid aside and observed Bai Hui's every move. Bai Hui helped Chu Huaiqiu clean up the room, and then stood in front of the window to look at the scenery. Pang Hongmei couldn't see any flaws, but she still had doubts about her. From Zhang Ashui's death to Wu Rui's arrest, Bai Hui appeared every time. At the scene, and when she was following Li Qiuchen, Bai Hui came out again to distract her attention.
Li Peizhang came to convey a message to Li Qiuchen, and Li Qiuchen invited Pang Hongmei to climb Dongshan Mountain together. Pang Hongmei was confused and wanted to know Li Qiuchen's true purpose, so she agreed. Pang Hongmei came to the appointment on time. She and Li Qiuchen climbed up Dongshan Mountain in one breath. Li Qiuchen looked up to the sky and shouted. He admired Pang Hongmei very much, but he saw that Pang Hongmei liked Ji Danyang. Li Qiuchen enthusiastically pulled Pang Hongmei to take pictures, but Pang Hongmei didn't like it.
Li Qiuchen donated the Dahua Copper Mine to the country free of charge, and Pang Hongmei attended the donation ceremony. Chen Dongsheng got a group photo of the Nanshan Youth Class from the Provincial Public Security Department. It was a spy training class held by Kou Xuesong. There were thirteen students in total. They only had numbers but no names. Li Guangming, Qianqian and Wu Rui were all students in the youth class. Pang Hongmei Saw that photo too.
After the unremitting efforts of the expert team, a sealed laboratory was finally built in the air-raid shelter. Zhang Yan and Han Yundong came here to visit. Li Peizhang was bitten by an unknown insect. Bai Hui knew the poisonous insect and gave him symptomatic treatment. The poison in Li Peizhang's body After the poison was eliminated, Ge Yun suggested disinfecting and deworming the test chamber and sending medical staff to accompany him. Chu Huaiqiu wholeheartedly agreed.
Ge Yun personally led the team to disinfect the test cabin, and Bai Hui and Luo Shanshan also went together. Bai Hui told Miao Huilan the location of the test cabin, and Miao Huilan and Li Qiuchen discussed deploying it in the back mountain. Bai Minghan sent a letter to Pang Hongmei, along with the key that Pang Shizhao gave him before his death.