Xie Wantang, a princess of Great Xia, has been hopelessly in love with Marquis of Jing'an Shang Heqi for ten years, only to suffer repeated cold treatment and misunderstandings. To resolve a crisis at court, she resolutely agrees to travel far away to Xisheng for a political marriage. As she departs without looking back, she unexpectedly encounters Xisheng's God of War, Yuchi Ye, who has silently protected her for many years. Yuchi Ye gives her his whole heart and unwavering devotion, treating her tenderly and keeping her safe as he gradually heals the wounds of her past. Meanwhile, Shang Heqi comes to his senses and is consumed by regret, ultimately traveling to the border to sacrifice his life for his country and preserve peace. Xie Wantang lets go of her past obsession, finds sincere love and a happy life in Xisheng, and begins a brand-new chapter.