Due to an imperial edict, Sang Lingyao (the female protagonist) marries King Yumin Wen Langyu (the male protagonist). By mistake, the two discover that there is another mystery to the death of Sang Lingyao's biological mother, Bai. With the help of the emperor and many characters, the couple overcome obstacles along the way and uncover the murders in the harem during the former emperor's period. During this period, Sang Lingyao and Wen Langyu's relationship continued to heat up, and they worked together to bring down the villain and find the truth.
Concept: suspenseful investigation, identity reveal, love story