Peering into Heaven's Secrets

[Synopsis] The owner of an old bookstore, Xuan Jiu, can glimpse the secrets of fate through Chinese characters, but is forced into a series of bizarre murder cases. The eerie characters left at each crime scene correspond to the solar terms, the Five Elements, and zodiac signs that spell death. Teaming up with detective Qin Yue to hunt down the killer, he discovers that the mastermind is using human lives as sacrifices to establish an ancient evil formation. When scientific logic collides with occult murder plots, they must decipher the character formations as the seasons change and stop a disaster that could wipe out the city...