The Tang Dynasty's First Hidden Crown Prince

After transmigrating to the Tang dynasty, he became Li Chengdao, eldest son of Li Jiancheng, the loser of the Xuanwu Gate Incident!

For fifteen years, Li Chengdao quietly trained a new army, developed gunpowder, and gathered talented people, preparing for the approaching Xuanwu Gate Incident!

A tiny butterfly flapped its wings.

Venus appeared in the southern sky at noon, in broad daylight!

During the Xuanwu Gate Incident, Li Jiancheng and Li Yuanji perished. Yet Li Shimin, who in the original history was destined to become the wise ruler of the empire, was also shot dead by Li Chengdao in the very upheaval he had orchestrated, falling after five steps with blood spilling everywhere!

Place Li Yuan under house arrest and win over Fang Xuanling and Du Ruhui!

Crush the seven great clans and five illustrious families, and rule over all under heaven!

Who was the greatest beneficiary of the Xuanwu Gate Incident? It was only a thousand years later that someone put forward the theory that the mastermind behind it had been none other than Li Chengdao, who was only fifteen at the time!

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.