该剧改编自罗青梅的同名小说，落难公主李瑶英被迫和亲，流落异域，生死之际为以身侍神的禁欲君王罗嘉所救。命运的齿轮就此运转，沙海圆月下的一瞥，竟是此生挚爱。共平山河，乱世情长，月明千里，吾道不孤。

Jiang Lili, the "loser" was forced to pretend to be her twin sister because of an accident. After experiencing the extreme contrast between the life of a top-notch producer, she strives to become a better version of herself.

A CEO with a phobia of crowds enters by accident a contractual marriage with a broke heiress. With opposing personalities, the two butt heads but eventually becomes each other's confidant. The two imperfect souls heal each other and fall in love.

Lu Nanyi, the daughter of a wealthy merchant, and Lin Qingqiu, from a distinguished family, grew up as childhood sweethearts. However, Lin Qingqiu was betrothed to another due to his parents' arrangement, though he still loved Lu Nanyi. They planned to elope on his wedding day but were tricked into believing the other had abandoned them, leading to their heartbreaking separation. A year later, Lin Qingqiu became the magistrate of Jinzhou County, seeking Lu Nanyi, while she gained fame as a storywriter. A murder case in Liu Zhou mirrored Lu Nanyi's stories, putting her under suspicion. As Lin Qingqiu investigated, the former lovers reunited, rekindling their old flame amidst the tension of avenging their past heartbreaks. However, the quest for the real killer complicates their reunion and raises the question: can their fractured relationship truly heal?