1937年9月24日，日军攻打保定，五十二军奋勇守城，“直隶三侠”在家仇国难面前，再度站在了一起。

In September 24, 1937, the Japanese attack on Baoding, the fifty-two army fought the defenders, "the three Guqiu" in the face of national crisis, once again stand together.