Yuncheng Airport conceals a shadowy divide between the worlds of yin and yang. Travelers come and go, hiding strange secrets and baleful energies, while countless unsolved cases spawn eerie horrors.
Shi Wan was born with a discerning eye for people. At a glance, she can tell good from evil, read the flow of energy to see through falsehoods, and expose every hidden sin and sinister force.
She walks the boundary between the mortal world and the realm of the uncanny, investigating the schemes of the Yin Snake Cult, which has been lurking for years, and uncovering long-buried cases from her parents' generation.
The stern captain of the criminal investigation team, Lu Zeyan, is unexpectedly swept into the mysterious whirlpool. Poisoned by a snake spirit, he teeters on the brink of death.
A single thought separates life from death, and their fates are bound together. In her mortal body, she fights evil spirits, using her keen eyes to tear through layer after layer of mist, risking her life to protect the one she loves and settle every blood debt.
