Through So Jung-hee's character, Jang Mi In explores themes of trauma, obsession, and redemption, which are woven throughout the film. Her performance adds layers to the narrative, making a thought-provoking and unsettling viewing experience. Jang Mi In's portrayal of So Jung-hee's vulnerability, determination, and ultimately, her fragility, is both captivating and heart-wrenching.

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.

In 2021, the South Korean film industry witnessed a remarkable performance by veteran actress Jang Mi In in the psychological drama, . This gripping thriller, directed by Kim Choong-hyun, revolves around the lives of two private investigators, played by Jang Mi In and Choi Sung-eun, who become embroiled in a complex web of deceit and obsession.

The movie's narrative centers around the intricate relationships between So Jung-hee, her colleague and friend, Yeon-joo (Choi Sung-eun), and their client, Min-woo (Kim Jae-young). As the story unfolds, Jang Mi In skillfully navigates the complex dynamics between these characters, expertly conveying the tensions, desires, and betrayals that drive the plot.