During Kangxi period, Lingruo from the Niuhuru met with a catastrophe with her whole family. To guarantee the soundness of her family members, she made up her mind and abandoned her lover from childhood to get in the imperial palace for beauty-selection, hoping to be selected by the emperor and become a powerful backer for her family. But after her goody friend’s betrayal, she became out of favor with Emperor Kangxi, reduced to a humble palace maid of the fourth prince Yinzhen accidentally. Since then, she started to be involved in the deceiving fights in the palace. Although Yinzhen loved her, favored her, he suspected that she was intriguing against other people with evil intentions, and then degraded her to a commoner. Although she blamed him, hated him, she had to turn to him by all manner of means for a chance of survival every time she was left out or got desperate. After Lingruo had kept Yinzhen accompanied for nineteen years, Yinzhen finally assumed the throne with a reign title of Yongzheng. There was finally a place in Yongzheng’s heart for Lingruo. But when she was stepping in the palace full of secret struggles and receiving the title of “Concubine Xi”, a series of well planned murder was unfolded. Could Yongzheng’s love for her secure her for her whole life?