南宋晚期，“一代天骄”成吉思汗的子孙，率蒙古铁骑横扫欧亚无敌手。四川制置史兼重庆知府余为抵抗元军进攻，采纳了冉进、冉璞的计谋，于合川钓鱼山上构筑营盘，最终形成了以钓鱼城为中心的抗元军事体系。在钓鱼城守将王坚、张望珏的率领下，以弹丸之地，力挽狂澜，“独钓中 Late Southern Song Dynasty, “a generation of Tianjiao” Genghis Khan’s offspring, the rate of Mongolian cavalry swept across Europe and Asia invincible hand. In addition, the prefect of Chongqing, Sichuan prefectural history, and Chongqing prefectural government resisted the Yuan army’s attacks and adopted the tactics of Ran Jin and Ran Pu to construct Yingpan in Hechuan Diaoyunshan and eventually formed the anti-Yuan military system centered on Diaoyucheng. In the fishing city guard Wang Jian, Zhang Jue led by the projectile, to turn the tide, "fishing alone