The Jiangnan aristocratic family could not tolerate a weak woman named Yan Yan. She was kicked out of the house and died angrily after giving birth to her daughter Yan Mochen, leaving her daughter in the care of Jinlan's sister Su Wan.
This Su Wan also regarded Yan Mochen as his own, but he was in a brothel, saved up money to redeem himself, and took Yan Mochen away from Lin'an City to his hometown county, Yin County.
Fifteen years later, Su Wan passed away, and Yan Mochen left Yin County to go to the North Country that he longed for...
On the way, he met the mysterious Yue Shuangzhi, a member of the Yue clan, and the unruly young prince Murong Su. Lin Yuchen, who is unpredictable and cold-natured... How will Yan Mochen face all this suddenness? Then, how should we face the night that appears again?