After the defeat of the Revolution in 1927, white terror gripped Shanghai. Zhang Renya, an early member of the Chinese Communist Party, risked his life time and again to carry out thrilling yet effective work in Ningbo, Shanghai, Anhui and Jiangxi. With the calmness and meticulousness of a scholar and the toughness and perseverance of a warrior, he regarded the completion of his mission as his highest mission and firmly guarded the "power code" of the Party.
In the puppet state of Manchukuo in the 1930s, four Communist party special agents, after returning to China, embark on a secret mission. Sold out by a traitor, the team find themselves surrounded by threats on all sides.
Based on the true battle. August 31st, 1937. The Kuomintang Commander Yao Ziqing was ordered to protect Baoshan County. The Japanese army used land, sea and air forces to attack Yao's troops and tried to capture Baoshan County. Yao must stop Japenese army, no matter how hard it is.
