Mask Girl: Ending Explained

The chain of violence that sets up the end

Mask Girl follows Kim Mo-mi, an insecure office worker who performs as a masked internet personality by night. When awkward coworker and obsessed fan Ju Oh-nam recognises her, he stalks and assaults her, and she stabs and kills him in self-defence. Oh-nam's mother, Kim Kyung-ja, discovers her son's remains and becomes convinced Mo-mi murdered him. That conviction drives the rest of the story. By the time the finale arrives, Mo-mi is imprisoned for the cascade of deaths around her, while a free and vengeful Kyung-ja has spent years plotting to make Mo-mi suffer the way she has suffered.

Kyung-ja targets Mi-mo

Knowing that hurting Mo-mi's child is the cruelest weapon she has, Kyung-ja sets her sights on Kim Mi-mo, the biological daughter of Mo-mi and the dead Oh-nam. She insinuates herself into Mi-mo's life, befriending the girl precisely so the eventual betrayal will wound Mo-mi from inside prison. The plan escalates from emotional sabotage to physical danger: in the climactic stretch Kyung-ja attempts to strangle Mi-mo, and does it on camera, turning her revenge into a spectacle aimed straight at the imprisoned mother who can only watch her daughter be destroyed.

Mo-mi escapes to save her daughter

Mo-mi refuses to stay caged while Mi-mo is killed. She escapes from the hospital during a kidney transplant procedure, breaking out mid-operation to reach her child. Alongside Mi-mo's grandmother and Ye-chun, Mo-mi races to Kyung-ja's house in a desperate rescue. The convergence is brutal and final. In the confrontation Mo-mi sacrifices herself to protect Mi-mo, dying in her daughter's arms, while the police shoot Kyung-ja, ending the older woman's long campaign of vengeance. The two mothers locked in mutual destruction both fall, leaving the child they fought over alive between them.

Mi-mo finds peace in the aftermath

With both Mo-mi and Kyung-ja gone, the orphaned Mi-mo is taken in by Ye-chun's parents, who become her foster family and give her the stable home she never had. The series does not end on horror but on a quiet act of reconciliation across the divide of death. Mi-mo watches old childhood footage of her mother performing, the masked woman the world judged so harshly, and through those recordings she finally meets Mo-mi as a person rather than a tragedy, finding a measure of peace in her mother's memory.

The Final Image

Mi-mo sits watching old video of Mo-mi performing, the daughter at last seeing her mother whole and finding peace in the footage after every other version of their story ended in blood.

Lingering Questions

Does Mo-mi die at the end of Mask Girl?

Yes. After escaping the hospital mid-surgery to save Mi-mo, Mo-mi sacrifices herself protecting her daughter and dies in Mi-mo's arms during the final confrontation at Kyung-ja's house.

What happens to Kyung-ja and to Mi-mo?

Kyung-ja is shot by police as she tries to kill Mi-mo, ending her revenge. Orphaned, Mi-mo is taken in by Ye-chun's parents as her foster family and finds peace watching old footage of her mother.

Sources

• Mask Girl - Wikipedia

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