About the winter of 1937, Songhu campaign ended, the fall of Shanghai. In order to help some of my party guerrillas blew up the Japanese military ship, ship was seized by the medical supplies, accountant Xu Tian was wrapped into a come unexpectedly fight. Communists spirit infected Xu day. Originally thought that ordinary life with him, tried to help those who wish to complete the unfinished, the little red book of this batch of medicine materials and a list of records to the hands of the party organization of Party members. From then on, Xu day began with the Japanese officer Eisa, the total Chinese catch old material, underworld Jin and other parties to force a few bouts, and signs of danger appearing everywhere. Although the environment is difficult, but Xu day did not give up, think of those brave sacrifice the Communist Party member, to fight a lone battle of Xu day of fighting courage. In the party organizations with the help of Xu day, finally defeated the shadow, will be successful, medical supplies and red booklet to the party organization. At the same time, in the action to improve their consciousness, honor to become a member of the Communist Party of China, have a romantic legend.