Later, when war broke out between the Sung empire and the Chin tribes (to the north), Yueh Fei was faced with a dilemma: He had to decide whether to go help rescue the two captured dukes or stay with his mother.
不久，北方的金國，見宋朝國勢衰頹，便舉兵南下，攻陷宋朝北邊的許多國土，佔據首都開封，擄去徽宗、欽宗兩位皇帝，局勢危急。