Rayong sends Zheng Chaoyang, Hao Pingchuan to Peiping, Zheng Chaoyang investigating Yang Tang poisoning. Zheng Chaoyang and Luo Yong joked about not learning, but at the end they couldn’t bear Luo Yong’s scolding, so he agreed to study in Xibaipo and asked to work in Peiping.
Zheng Chaoyang and Hao Pingchuan came to Xibaipo to study. Hao Pingchuan was attracted by the scent of Bai Ling, so he whispered that Bai Ling used perfume. Bai Ling took the initiative to share the learning experience of the past few days, and directly accused Zheng Chaoyang of the perfume she used, and then took out her own sachet prepared with various herbs.
At dinner, the algebra tells Zheng Chaoyang that Bai Ling is a tall student who returned from studying in Moscow, and Zheng Chaoyang laughed and said that she was the prince Sun Niang. Bai Ling heard that she called Zheng Chaoyang alone, but instead of asking Zheng Chaoyang for trouble, she asked Zheng Chaoyang about some legends of Peiping’s story, and asked about the bell ringing at the city gate of Peiping. Algebra is very interested in Bai Ling’s sachet. Bai Ling took out the sachet, but Zheng Chaoyang smelled that the smell on her body was not the sachet. Bai Ling couldn’t help but take out the perfume brought back from the Soviet Union.
In the night, Zheng Chaoyang was too loud to sleep due to the snoring of Hao Pingchuan and algebra. He had no choice but to light a candle to read a book and watched a group photo of himself and his brother Zheng Chaoshan.
Trainees such as Zheng Chaoyang, Hao Pingchuan, Bai Ling, and Algebra, and soon graduated and hurried to Peiping. On the way, the students sang loudly. Zheng Chaoyang recited an ancient poem. Bai Ling pointed out that he had misread the word. Zheng Chaoyang listened to the song and interrupted.
Uncle Qilara cooks at the station. Qilara sees the second uncle coming to buy meat to stew sheep soup from the students from Xibaipo. Uncle Chirala knew that he had not landed at lunch, so he took Zilara to the station to help. Luo Yong arranged the students one by one to the police stations in Beiping District, but did not arrange the places for Zheng Chaoyang and Hao Pingchuan.
Zheng Chaoyang was anxious, so he went to find Luo Yong. Zheng Chaoyang anxiously waited for Rayong to arrange a place, but he had been interrupted by Hao Pingchuan. Luo Yong decided to let Zheng Chaoyang and Hao Pingchuan go to the Peiping Municipal Bureau, and let them be responsible for clearing the Anglo-American secret agents and Kuomintang secret agents hiding in Peiping. Zheng Chaoyang was very glad to learn that his task was difficult.
Qi Lala wanted to add a pack of thirteen incense to the soup to taste the sheep soup, but his uncle refused. The two soldiers in the security squad had to get on the job early, so they came to the kitchen and drank some sheep soup, but they got poisoned half an hour later. The algebra theory told Zheng Chaoyang and Hao Pingchuan, and Bai Ling also came to investigate.
All people in the cooking class were under control and were interrogated at Lara. However, Qi Lala bite herself that the thirteen incense was poured into the Yang Tang. Bai Ling thought that Qi Lala was innocent, but Hao Pingchuan concluded that Qi Lala was the murderer.
When Zheng Chaoyang interrogated Qi Lala, he said nothing, but Bai Ling had seen that he had ruled out Zila La. Zheng Chaoyang asked Qi Lala’s Thirteen Fragrances on paper without the smell of almonds in goat soup. Hao Pingchuan hurried back quickly, and he had found out the details of Qi Lala. Zheng Chaoyang, Hao Pingchuan and Bai Ling went to the kitchen for investigation, but Zheng Chaoyang found a problem at the water pipe.
