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.

明星流量小生易涵（张雨剑饰）阴差阳错 “碰瓷儿" 了满脑子买房梦的美甲小妹裴呦呦（许晓诺饰）， 天差地别的两个人 却在一场策划已久的偷拍事件产生的蝴蝶效应下， 不得不订下一份婚姻契约， 两人从井水不犯河水到逐渐动心。这时他们的婚姻契约意外流出， 一场策划已久的 阴谋慢 慢浮出水面， 易涵的事业遭遇史无前例的危机。 同时浮出水面的， 还有易涵对裴呦呦的一颗真心。