Twenty-two years ago, he witnessed his entire family being murdered, and the scar on the murderer's face became his eternal nightmare.
For twenty-two years, he was locked up in a mental hospital as a lunatic and relived the massacre of his family in electroshock treatment every day.
Until the 317th electric shock, fate gave him an absurd choice.
He traveled back in time to 1985 and became the murderer with the scar on his face.
Occupy the enemy's body, possess the enemy's memory, and face the upcoming 712 massacre.
He could have walked away, but when he saw his young mother, innocent brother, and tired father, those living family members were right in front of him
He decided to use these blood-stained hands to protect them.
He is an undercover agent in a criminal organization, dealing with the "professor" and the killer, walking on thin ice every step of the way. Once exposed, he will die; if failed, history will repeat itself.
When the murderer becomes the guardian, when the prey becomes the hunter, this revenge that spans twenty-two years has just begun...
