**Background**: Lin Feng, a retired special forces soldier, left the military with a guilty conscience after a failed mission cost his comrades their lives. When he returns to his hometown, he discovers that organized crime has infiltrated his family business and his family is under threat.
- **Conflict**: At the family cemetery, Lin Feng finds a mysterious diary left by his father, revealing collusion between the gang and corrupt insiders.
- **Decision**: He decides to put his armor back on and take on the gang single-handedly, protecting his family and upholding justice.
