1449年大明王朝迎来了史上最大的滑铁卢，1368年明朝成立，经历了5位皇帝的励精图治，大明王朝迎来鼎盛时期。然而英宗即位，太监王振陪伴了英宗从无知少年到行弱冠之礼，因此英宗十分信任王振，导致王振把持朝政，铲除异己陷害忠良使大明朝纲不振、风雨飘摇。英宗在位期间，蒙古瓦剌大举入侵边关告急，太监王振怂恿英宗御驾亲征，途中英宗软弱在王振的操持下被瓦剌打败，致使英宗当做俘虏好让要挟大明。孙太后下旨免除于谦死罪，受命于危难之间，立朱祁钰为帝。君臣无间合力大破瓦剌，迎回英宗，英宗和朱祁钰的皇位之争逐渐展开

英宗让位朱祁钰，在朱祁钰的支持下于谦准备进行改革，但是因为触动了勋贵的权益，导致于谦屡屡受挫。英宗并没有放弃皇位，勾结石亨进行夺位，夺位成功满朝文武以于谦为首不满英宗做法惨遭屠杀。

In 1449, the Ming Dynasty ushered in the largest Waterloo in history. In 1368, the Ming Dynasty was established. After five emperors worked hard, the Ming Dynasty ushered in its heyday period. However, Yingzong came to the throne, and the eunuch Wang Zhen accompanied Yingzong from an ignorant boy to a weak crown. Therefore, Yingzong trusted Wang Zhen very much, which caused Wang Zhen to control the government, eradicate dissidents and frame Zhongliang, making the Ming Dynasty weak and precarious. During Yingzong's reign, the Mongolian Oirats invaded the border in an emergency. The eunuch Wang Zhen urged Yingzong Yujia to go on the expedition. On the way, Yingzong was weak and was defeated by Oirats under Wang Zhen's management, so that Yingzong was taken as a prisoner to threaten Daming. Empress Dowager Sun decreed to exonerate Yu Qian from the death penalty, and was ordered to make Zhu Qiyu emperor in the midst of danger. The emperor and his ministers worked together to defeat Oirat and welcome Yingzong back. The battle for the throne between Yingzong and Zhu Qiyu gradually unfolded

Yingzong abdicated to Zhu Qiyu, and with Zhu Qiyu's support, Yu Qian was ready to carry out reforms, but because he touched the rights and interests of nobles, Yu Qian repeatedly Frustrated. Yingzong did not give up the throne, and colluded with Shi Heng to seize the throne. The civil and military forces of the Manchu Dynasty, led by Yu Qian, were dissatisfied with Yingzong's actions and were massacred.