In 2026, He Heng, a programmer from Dachang, time-traveled into the protagonist Bai He while reading the novel Endless Night. Bai He also used the aliases of Shi Shan and Zhou Yun, pretending to be husband and wife, and lurking in Shanghai to rebuild the underground organization. And awaken Liu Shu-Li Qiang, an underground party dormant in the Secrecy Bureau. The two men fought side by side to eliminate traitors and rescue comrades. Li Lu died. In order to obtain the Secrecy Bureau's latent plan, Shishan sacrificed himself and traveled to the Secrecy Bureau's operation captain Liu Mazi. Finally, he obtained the intelligence. After Shanghai was liberated, he handed the intelligence to the Shanghai Public Security Bureau. He was arrested and imprisoned in 1966 due to historical issues, and eventually died of illness in prison.
Mission: No matter how your identity changes, your beliefs remain unchanged
