Modern youth travel through the sixteen years of Zhenguan and become Fang Yiai, the second son of the Fang family with a very bad reputation in history! It starts with a hellish wedding, marrying the arrogant, domineering and scandal-ridden Princess Gaoyang. It is destined to end in ruin and tragic death. In order to avoid fate, Fang Jun boldly regretted his marriage on the wedding night, fought every step of the way, and finally broke the deadlock! Unexpectedly, Gao Yang, who did not want to marry into the Fang family, secretly changed brides, and the one he married instead was Princess Jinyang, Li Shimin's favorite legitimate daughter! Jinyang has an extraordinary appearance, is gentle and kind-hearted, has been frail and sick since childhood, and is dying soon. She is the purest and gentlest Bai Yueguang in the world, but by chance, she is destined to be married to Fang Junli for life. The deal is done, Long Yan is furious, the government and the public are in an uproar, and the rich and powerful in the city are waiting for the housekeeper to marry off his short-lived burden and become a laughing stock. Little did they know that Fang Jun, armed with modern knowledge, had already made a comeback. He was determined to cure his beloved wife's stubborn illness, protect the gentle Jinyang, slap the ridicule of the entire Internet, use his body as a consort to stir up the Zhenguan situation, and dominate the Tang Dynasty!
