The story happened in the winter of 1937. With the end of the Battle of Songhu, Shanghai fell completely. , and successfully shipped out the seized medical supplies, accountant Xu Tian was involved in an unexpected fight. The spirit of the Communist Party also successfully infected Xu Tian. Originally, Xu Tian wanted to live an ordinary life, but finally decided to join the Communist Party to fulfill his revolutionary wish and help those in need. This batch of materials and a booklet containing the list of the Communist Party were handed over to the organization through a series of methods. From then on, Xu Tian began to compete with the Japanese. In the dangers again and again, facing unprecedented dangers, Xu Tian still did not give up his ideals and inherited the courage to fight alone. Zuo defeated. Successfully sent all medical supplies and pamphlets to the Communist Party, realized his ideals in action, bravely became a true Communist Party member, and wrote his own red legend