Ou Xinping was sent to Prison No. 90 and tortured.Kondo hoped that Zhou Zhifei would instigate rebellion and Ou Xinping would surrender, but Ou Xinping would rather die than succumb to the Japanese.Zhou Zhifei recalled the time when the two went boating in Suzhou, and couldn't hide his emotions when looking at the affectionate Ou Xinping.Gu Yizhong revealed that Zhou Zhifei deliberately spread the news about Jiang Boxian's trip, killed Huang Xinzhai and silenced others, planned to rob Xinping in the area, revealed his whereabouts to Kondo so that the Japanese could use the Central Unification's retreat, and then used Peace Army gunmen to massacre more than a dozen people, only toTo save his own life.Back in Gu Yuan, Haimo begged Gu Yizhong to rescue Ou Xinping. Gu Yizhong didn't understand why Haimo still helped her. Haimo confessed her life experience to Gu Yizhong. She cooperated with Weng Tai to save the life of her brother in the air force.Gu Yizhong asked her real name, but Hai Mo hesitated and asked him to continue calling her Hai Mo. If it weren't for this name, she would not have known her cousin and come to Gu Yuan.The Japanese asked Mr. Li for questioning, suspecting that Zhou Zhifei had contact with Chongqing.Zhou Zhifei was called to Mr. Li's place. Mr. Li blamed Zhou Zhifei for letting Jiang Bo escape first, talked about his past with Ou Xinping, and said that the Japanese side believed that Ou Xinping was of no use and demanded that he be shot.Gu Yizhong brought food made by Hai Mo to Ou Xinping, and Ou Xinping hoped that Gu Yizhong could take care of the helpless Hai Mo.The next day, Zhou Zhifei came to the execution ground in person and shot Ou Xinping to death.Before dying, the two revealed their feelings to each other for the last time.