Behind the serial murder cases in City A, strange chain phenomena appear one after another, special letters, "perfect" crimes, organizations with abnormal sprouts, unknown secret past... Various cases are unrelated but seem to be inextricably linked.
The newly appointed criminal police captain Qin Feng set up a special task force and took along the "special" suspect Ruan Cen to follow the clues to find the answer... And the terrible truth surrounding Ruan Cen's experience 15 years ago, involving several generations, gradually emerged with the tip of the iceberg.
If you have merged into the night, then should you step forward and accept the burning of the sun, or take a step back and fall into the sweet abyss?
Intention: Evil will not prevail over good, justice will be late but will not be tolerated