Thin Ice is a Chinese suspense TV series directed by Jin Chen.

Its background is set in the Republic of China from 1944 to 1949, featuring an espionage story in Second Sino-Japanese War and Chinese Communist Revolution.

[1] During the Second Sino-Japanese War, Japan sent spies to Shanghai, searching for information about uranium mines in China.

Chen Qian united with patriots from all political standpoints, including Nationalists, Communists, and Nanjing puppet regime.

Chen Qian, who had secretly joined the Communists before, received a new mission to protect the infrastructures in Chongqing from the scorched-earth destruction of the Nationalists...