A Bloody Aria

An aspiring opera singer who travels with her college professor. She demonstrates inner strength as she resists coercion, seeks safety, and voices moral outrage when the violence escalates. Her resolve anchors the emotional core of the film, highlighting the stakes of consent and dignity in the face of danger.

A college professor who initiates a predatory advance, exposing a troubling power dynamic at the outset. His actions set off a chain of violence that complicates accountability and provokes a confrontation with consequences. His arc contributes to the film's exploration of abuse of authority and moral decay.

Leader of the local thugs, cold and calculating, orchestrating harassment and coercion. His presence drives the gang's violence and the brutal turn of events at the riverbank. He embodies the coercive, criminal force that the protagonists must contend with.

A police officer and the boy's older brother, who reunites with the group to confront the danger at the river. His encounter with Bong-yeon echoes past abuses and culminates in a climactic, traumatic confrontation. He becomes a tragic figure whose actions are tainted by the remnants of violence.

A young student who proves skilled in taekwondo, stepping into the fray to defend himself and others. His fighting ability shifts the balance of power and provides a crucial counterpoint to the overpowering antagonists. His actions underline themes of protection and self-reliance in dire circumstances.