Jang Seok, a notorious gangster who dies in a violent betrayal by his closest allies. However, instead of facing eternal darkness, he is reborn in his 20-year-old self, just before he rose to power in the underworld. Armed with the knowledge of future betrayals and the mistakes he made, Jang Seok vows to take control of his fate this time, rising not just as a feared gangster but as the ultimate ruler of the underground.
