Jang Mi In's portrayal of So Jung-hee, a seasoned private investigator, is a masterclass in subtlety and nuance. With a career spanning over three decades, Jang Mi In brings a wealth of experience to her role, imbuing So Jung-hee with a sense of world-weariness and emotional depth. Her character's troubled past and strained relationships are skillfully conveyed through Jang's expressive eyes and body language, drawing the audience into So Jung-hee's inner world.