In the 17th year of Zhenguan in the Tang Dynasty, Li Shimin was very disappointed with Li Chengqian's actions and had already thought of deposing the prince . Li Tai, who was eyeing him covetously, was pressing forward step by step, wanting to push Li Chengqian off the throne.
The people around Li Chengqian were all harboring evil intentions, and a group of uncles, cousins and brothers-in-law kept urging him to rebel as soon as possible. For Li Chengqian, he was now in crisis.
A modern otaku traveled to the 17th year of Zhenguan and became the prince Li Chengqian. He knew the direction of this period of Tang Dynasty history and what was waiting for him as the prince!
Li Chengqian now had only one goal, which was how to get out of the crisis-ridden situation.