The film is set against the backdrop of the Great Victory of Pingxingguan, and tells the story of Zheng Zhong, a cryptographer who was surrounded and hunted down by the Japanese for his crucial role in turning the tide of war.
Overview：The film is set against the backdrop of the Great Victory of Pingxingguan, and tells the story of Zheng Zhong, a cryptographer who was surrounded and hunted down by the Japanese for his crucial role in turning the tide of war.
