Su Xiaoke, an assertive and proud graduate student in history, is sent into a painting by her own advisor to "experience life." Before she leaves, the advisor forcibly drags along An Bei, the teaching assistant who is always finding fault with her. In this unfamiliar world, Su Xiaoke becomes a maid named Ruhua and accompanies a princess on her marriage journey to the grasslands. But through a twist of fate, she ends up taking the princess's place and marrying the Mongol prince consort Dunduobuduoerji. On her wedding night, Ruhua is astonished to discover that the man before her is someone she knew in another world...
This is a story of warmth and redemption. Though their personalities are worlds apart, the female leads remain steadfastly by each other's side amid a turbulent and treacherous world. They help and comfort each other, encouraging one another and learning from each other. With the resilience and strength unique to women, they fight fiercely against fate and ultimately find happiness of their own. Meanwhile, the male and female leads, once divided by arrogance and prejudice, go from being sworn enemies to caring for each other and showering one another with affection. The strong-willed heroine helps the hero smash a shocking conspiracy. Side by side, they quell an internal rebellion, develop commerce and cultivation, and become the stars of a romantic tale of a Manchu-Mongol marriage alliance. Along the way, the people in the painting not only grow and learn, but also solve a mystery that has been hidden for ages...