Shanghai, 1927. A deduction genius pairs up with a detective and a newspaper reporter to solve mysterious cases.

Jiang Jun is a girl who is allergic to tears and has a double degree in economics and psychology. She is unrestrained and idealistic due to her family's superior background. After graduation, she worked in a philanthropy organization where she pursues her dreams. However, her father's sudden accident leaves her in a dilemma. Eventually, she decides to work in a top investment company to fulfill her father's dying wish. In MH, Jiang Jun meets her childhood playmate, Yuan Shuai. However, the current Yuan Shuai is no longer her gentle protector, but her rival. In MH, where the "culture of wolf instinct" is rampant, someone is plotting against Jiang Jun while someone sees her as an eyesore. However with her kind nature and attention to details, along with her high EQ and sense of judgment, Jiang Jun eventually attains success in both her career and love life.

While attempting to take her predecessor’s Wanjun Sword, Lu Zhao Yao is ambushed by the ten immortal sects and mistakenly believes Li Chen Lan is related to the incident after he is revealed to be the previous cult leader’s son. Five years later, Li Chen Lan has taken over the position of cult leader, and Zhao Yao decides to exact revenge with the help of cultivator Qin Zhi Yan, though slowly falls in love with him instead.

While attempting to take her predecessor’s Wanjun Sword, Lu Zhao Yao is ambushed by the ten immortal sects and dies. She mistakenly believes Li Chen Lan, who is her best ally, is related to the incident after he is revealed to be the demon king’s son. Five years later, Li Chen Lan has taken over the position of the Wanlu sect leader, and Zhao Yao decides to exact revenge. She who is now a spirit, possesses the body of Qin Zhi Yan, a female disciple of the Immortal Sect, and with the help of the newly gained body, she becomes the direct disciple of Mo Qing aka Li Chen Lan with the aim of killing him. But things don’t go as she planned, when she slowly starts to fall in love with him instead. Meanwhile Jiang Wu, an ambitious youth, wants to kill Li Chen Lan and become the sect leader. He is interested in Zhi Yan. What will happen when their lives are intervened? Will Zhao Yao be able to regain her body back and become the sect leader again? What is the fate of Qin Zhi Yan, whose body Zhao Yao possessed? The story of love and hate begins...

Provoked by the actions of a seemingly sly human, an ancient snake spirit takes on a human form, in order to prove him a fraud. Convinced she’s doing the world a favor, Bai Su Zhen challenges Xu Xuan to a contest of skill but what starts as a heated rivalry soon turns to burning passion. Faced with opposition from every side, Bai Su Zhen and Xu Xuan’s love is put to the test time and time again.