During the Tang Dynasty, gifted forensic investigator Li Jinglan joins forces with the mysterious “ghost detective” Jueming and skilled constable Su Yu’an to solve a string of shocking cases. As they uncover hidden conspiracies behind each crime, danger, justice, and romance become deeply intertwined.

Online celebrity Yi Han accidentally "blackmails" the manicurist girl Pei Youyou, whose mind is full of buying a house. The two quite different people have to sign a marriage contract under the butterfly effect of a long-planned sneak shot incident. In the meanwhile, they gradually attract each other from interfering with each other. Unexpectedly, their contract leaks out, and a long-planned conspiracy is slowly uncovered. Yi Han's career encounters an unprecedented crisis. What is uncovered at the same time is Yi Han's sincerity to Pei Youyou.

Ran Shu grew up in an orphanage, and her beloved sister Gu Ru Yue, made Ran Shu handicapped in order to be adopted by rich people. Later, Ran Shu married photographer Zhang Ze Yi, not knowing he's abusive and use domestic violence to make her obedient. Ran Shu wanted to escape from Ze Yi's clutches, but she fell deeper and deeper, until her sister Gu Ru Yue came to seduce her husband. Ran Shu sees the whole situation, a chance to escape from her cage, and starts plotting, using her sister and husband affair, to her own advantage.