Ballerina

Okju is a former VIP bodyguard who channels grief from Min-hee's suicide into a calculated vendetta against Choi Pro. Using surveillance devices and stealth, she infiltrates Choi's operations, collecting evidence and turning the tables when necessary. Her training and resolve are tempered by trauma, yet she remains fiercely determined to expose the sex-trafficking network. The pursuit culminates in a violent confrontation and a reclaiming of control through destroying the USB drives and keeping the customer notebook.

Min-hee is Okju's best friend who becomes a victim of Choi Pro’s predatory network. Her suicide follows Choi's filming and extortion, serving as the catalyst for Okju's vendetta. Through Min-hee's story, the film exposes the manipulation and violence that trafficking survivors endure. Her memory drives Okju's actions and the audience's understanding of the stakes.

Choi Pro is a sex trafficker who uses drugs to render victims unconscious and forces them into humiliating videos for extortion. He moves through his network with arrogance, colluding with a pharmacist and receiving pressure from his gang leader. His actions spark Okju's pursuit and escalate the conflict to a final confrontation. He demonstrates a predatory, calculating temperament.

Mister Yung is the leader of Choi Pro's gang, a power broker who disapproves of Choi's methods and demands tighter control. He orders Choi to deliver Okju within three days, indicating a ruthless but strategic approach to the operation. He embodies the friction within the trafficking empire and shapes the gang's response to threats. His presence keeps the criminal world in motion.

A high school student kept at the hotel as a sex slave serves as a witness and ally for Okju. She helps Okju escape after the confrontation, showing resilience amid trauma. Her presence highlights the film's focus on underage exploitation and the human cost of the trafficking network.

A pharmacist creates the drug used by Choi Pro to render victims unconscious, and he agrees to help track Okju for a payment. His willingness to participate in the underworld underscores the market of complicity surrounding victims. His involvement accelerates the pursuit and intensifies the danger.