My Sister and I Survived the Cold Palace

Xu Xiu and Fang Xia are best friends, but a sudden explosion sends them into a book. Xu Xiu becomes a low-ranking concubine in the cold palace, facing an immediate death order from the Empress Dowager. To survive, Xu Xiu uses her medical skills as a surgeon to treat patients with modern knowledge. However, she discovers her best friend Fang Xia has transmigrated as the Empress Dowager! Fang Xia reveals that the only way to return home is to win Emperor Li Yuan's heart and become the Empress. Determined to survive and go back, Xu Xiu seduces Li Yuan, only to be thrown out and make an enemy with Princess Wang.