A string of murders lurks beneath the neon lights of the city. One look at the file on an unsolved case makes transmigrator Gu Ming’s pupils contract.
Blood-red symbols reappear at an old crime scene, and an anti-surveillance camera is pointed at the corpse, smiling.
His partner, Song Yi, tightens his grip on the evidence bag. “This time, the killer is taunting the entire criminal investigation system.” When an AI face-swapping scam collides with a motiveless poisoning, two generations of investigative thinking spark against each other in the fingerprint database.
An illegal online betting pool is already open: the wager is that they won’t uncover the “seventh deadly sin” behind the perfect crime.
In a rusted elevator shaft, the countdown begins...
