In early 1938, the Japanese army invaded the Shandong Peninsula. A box containing important military secrets of the Japanese army passed through Yidu County and was stolen by the righteous Gongsun Xian. As a result, it was pursued by Japanese spies. Before his death, he entrusted the box to the owner of the Yongxing Martial Arts Museum, Yang Baoguo. Yang, the museum owner, swore to defend the box to the death and was killed by Japanese spies. Carrying a national enemy
In early 1938, the Japanese army invaded the Shandong Peninsula. A box containing important military secrets of the Japanese army passed through Yidu County and was stolen by the righteous Gongsun Xian. As a result, it was pursued by Japanese spies. Before his death, he entrusted the box to the owner of the Yongxing Martial Arts Museum, Yang Baoguo. Yang, the museum owner, swore to defend the box to the death and was killed by Japanese spies. Carrying a national enemy