In the solitary room, Luo Xiangqian found Wang Xianming and Li Tianzhu sleeping together. Knowing that the conflict between the two had been resolved, he asked them to get up and work.Now the two have become good friends.

Wang Lanzhi stayed up all night to make the shoes. She was embarrassed to give them to Zhang Biao, so she asked Kumei to help deliver them. Zhang Biao refused to accept them. Luo Qianqian ordered Zhang Biao to accept them and advised Zhang Biao to forget the past.Start over with Wang Lanzhi.

Luo Xiangqian and a large team of migrant workers went all out to complete the preliminary preparatory activities ahead of schedule. The next step was to prepare explosives to blow up the big stone nest and transport the debris from the explosion to Ma'anling. Luo Xiangqian made a detailed division of labor for each squadron., they split up to prepare.Luo Xiangqian wanted to go to the solitary room to do ideological work for Li Tianzhu and Wang Xianming, and Ye Lan went with him.
Li Tianzhu and Wang Xianming criticized each other. They both came from poor backgrounds. In order to have enough food to build roads, Luo Xiangqian explained to them the significance of building railways and advised them to open up the pattern and not only care about their own food and clothing. They shouldLooking at the entire nation, Luo Xiangqian took out a small bag of buttons, which were left behind by his brothers who had lived and died with him. They represented the heroic souls who sacrificed their lives for the country. Luo Xiangqian told the stories behind several buttons.Choking up tears, she hoped that Wang Xianming and Li Tianzhu would live well for those revolutionary martyrs. Ye Lan was moved to tears, and Wang Xianming and Li Tianzhu were also moved.

After hearing Luo Xiangqiang's story, Ye Lan couldn't calm down for a long time. She applied to join, and Luo Xiangqian was willing to be her introducer to join the party. Ye Lan stayed up all night and wrote an application for joining the party.Ku Mei thought Zhang Biao would forgive Wang Lanzhi, but he never showed up. Wang Lanzhi did not expect Zhang Biao's forgiveness, as long as she and Yao Wa stayed at the construction site. Ku Mei encouraged Wang Lanzhi to take the initiative to find Zhang Biao, and Wang LanzhiNoncommittal.

Wu Zhi specially went to the mountains to collect spring water for one night and delivered it to Luo Qianqian early in the morning.Ye Lan handed the party application form to Luo Xiangqian, and she took technicians to the mountains to explore the terrain. Luo Xiangqian gave her mountain spring water.Later, Luo Xiangqian took Wang Xianming and Li Tianzhu to the big stone nest to carry stones. As long as they performed well today, their locks would be released. They couldn't help but smile happily.

After the students came to the construction site, there were not enough quilts. Luo Xiangqian asked Wang Lanzhi and Ku Mei to make a batch of quilts. They both agreed and wanted to go down the mountain to buy cotton and fabric tomorrow.Luo Xiangqian personally led everyone over the mountains and carried the stones to Ma'anling. Wang Xianming was exhausted. Li Tianzhu encouraged him and competed with him to see who could reach the destination first. Luo Xiangqian cheered everyone on.

Wang Lanzhi and Ku Mei went down the mountain to buy cotton and fabric, and then gathered the female workers at the construction site to make quilts together. Ye Lan suggested adding quilts to the quilts to prevent them from being kicked up.Wang Xianming and Li Tianzhu worked hard, and Luo Xiangqian released their lock.Zhang Biao searched everywhere for explosives, but only found a day's supply. Luo Qianqian found that Zhang Biao's shoes had big holes in them and were covered with mud. He persuaded Zhang Biao to put on new shoes made by Wang Lanzhi, and also persuaded Zhang Biao to take the initiative to fight with Zhang Biao.Wang Lanzhi reconciled, but Zhang Biao didn't want to listen to his nagging, so he left in anger.

Zhang Biao returned to the dormitory, took out the new pair of shoes and tried them on, feeling warm in his heart.The female workers quickly made the quilts, and Luo Xiangqian and Ye Lan delivered them to the students. Wang Xianming and Xiao Siyan were very happy and said they would work harder. Li Tianzhu couldn't help but tease Wang Xianming, and Ye LanLan told Luo Xiangqian that he deliberately gave the two of them a quilt so that they could reconcile and expressed their good intentions.