Follows the story of Ruth Ellis: her lifestyle as a young nightclub manageress, her violent relationship with the man she then killed in cold blood, her arrest, trial, and subsequent legal battle to get her release before she was hanged.
Yujeong, who works as a night shift nurse at a general hospital's cardiology department, is now told that her 12th-grade younger sister, Kijeong, has been arrested by the police as a suspect in an infant abandonment case. Only then does Yujeong s