He was once a feared underworld boss, cruel and ruthless, who controlled the world in darkness. However, by a special opportunity, he actually put on a police uniform. With the cunning and ruthlessness of his past, he survives in the police force in a unique way. Wandering on the edge of light and darkness, on one side is the fetters of sin, and on the other is the righteous mission given by his new identity. In the struggle between good and evil, he rewrites his own life and stirs up the storm of the entire city.
