Li Chengqian, the ill-fated prince who traveled through history, was dominated by Li Shimin, the Khan of Heaven, who was known as the most powerful "carbon-based creature" in the seventh century and was known as the "Governor of Asia". He was surrounded by a group of younger brothers who were eyeing him and wanted to imitate the changes in the Xuanwu Gate and seize the throne. The position of the prince was precarious and frightening at every step. Can a soul from later generations hold firm in this treacherous palace whirlpool and lead the mighty Tang Dynasty to another glorious era?