On her wedding day, she happily waited for her groom to come to marry her, but unexpectedly she received the sad news that the groom had passed away in a car accident. She traveled to the Tang Dynasty to look for her lover in her past life, but accidentally became Shangguan Wan'er to accompany Wu Zetian. However, the lover she was looking for was about to become the princess's consort. Is he the same person in the past life as he is in modern life? This is a struggle for power, a lingering love and hate...