Tales of the Republic, Espionage in Shanghai

Xu Xinxin, the only daughter of Shanghai real estate tycoon Xu Zhengye, disappeared. She was rescued by Yao Yilan, a Communist Party member, but died not long afterward. To obtain intelligence, the Party organization had Yao Yilan impersonate Xu Xinxin and enter the Xu household. Risking her life, Yao Yilan successfully carried out the mission for the Party. But in the process, she discovered that she was actually the biological elder sister of Xu Zhengye's daughter, Xu Xinxin. Yao Yilan told Xu Xinxin's parents the truth about her death. After the victory in the War of Resistance, Yao Yilan reunited with Xu Xinxin's parents.