
15 plot points

Oh Dae-su is a regular businessman, drinking and living aimlessly. Introduces his normal life before upheaval. Frustration and dissatisfaction with existence visible.
Theme of revenge, imprisonment, and fate foreshadowed. Oh Dae-su's troubles hint at larger forces controlling life.
Oh Dae-su attends friend's party, misbehaves. His daughter is seen, adding stakes. Leaves bar, abducted mysteriously. Life upended without explanation.
Abduction and imprisonment in a private cell for 15 years. Life destroyed, normality gone. Emotional and narrative stakes dramatically altered.
Dae-su struggles with isolation. Questions fate, morality, and revenge. Receives news about daughter, increasing guilt and anger. Psychological torment begins.
Dae-su is released suddenly after 15 years. Must navigate a changed world. First steps into outside life, determination to find captor. Entering a new world of revenge.
Meets Mi-do. Romance and trust form. Emotional anchor for protagonist. Human connection amid chaos. Stakes of relationship and secrecy emerge.
Investigating captor. Combat, strategy, and discovery. Dae-su learns about Woo-jin's manipulations. Tension, mystery, and emotional twists. Audience sees revenge plan unfold.
Dae-su discovers truth about daughter and relationship to Mi-do. False victory replaced by horrifying revelation. Stakes escalate: moral and psychological disaster.
Woo-jin's manipulations revealed. Dae-su's anger, love, and trust exploited. Mi-do in danger. Physical and psychological threats intensify.
Truth about Mi-do revealed: incestuous manipulation. Emotional devastation. Dae-su's revenge seemingly meaningless. Lowest emotional point.
Dae-su contemplates self-harm, fate, and the cruelty of the world. Psychological torment peaks. Must choose between truth and peace.
Decides to take drastic action: cutting tongue, erasing self from Mi-do's knowledge. Synthesis: pain for possible redemption. Courage and agency regained.
Woo-jin dies. Revenge physically achieved. Dae-su seeks closure with Mi-do. Twist of moral and emotional ambiguity. Balance partially restored but at great cost.
Dae-su walks away, tongue cut, embracing Mi-do in snowy environment. Suggestion of memory loss and hope. Story resolves with tension between vengeance and humanity.