Who Is the Sinner?

“My father was made into a devil.” Heo Ye-ju, a top-tier contract killer who has lived a hellish life for 30 years as the daughter of serial killer Heo Uk-yeol. When Uk-yeol’s false accusation is finally brought to light, the truth of his innocence is revealed — yet they are still living in hell all the same. To save those who, like herself, are condemned to live within that hell, Ye-ju resolves to become a devil herself…