Three years ago, Lu Yan, the only survivor of the "Compass Case", became the sharpest criminal psychology consultant.
She is cold, cruel, and inhumane, just waiting for the murderer to appear again.
On a rainy night, a new case reappears.
A woman named Shen Jin breaks into her world - wild, ruthless, mysterious, and pressing every step of the way.
"I will help you catch the murderer on one condition: you belong to me."
Lu Yan thought it was cooperation.
Little did he know that from the very beginning, Shen Jin
Just come for her.
The abyss was in front of her, and she stepped into the air.
What you fall into is not hell, but ashes.
Mission: Don't be afraid of darkness because there is always redemption