Diary of a Murderer and Other Stories Summary

Diary of a Murderer and Other Stories

by Young-ha Kim 2019 200 pages
3.72
11.1K ratings

Plot Summary

Murderer's Diary Begins

A retired killer reflects

Kim Byeongsu, a former serial killer, has not killed in 25 years. He kept a meticulous diary of his murders, not out of a desire to relive them, but to avoid repeating mistakes. Now, he faces a new challenge: Alzheimer's disease is eroding his memories, including those of his past crimes. As he grapples with his fading mind, he becomes obsessed with protecting his adopted daughter, Eunhui, from a new threat.

Alzheimer's Diagnosis Revealed

A grim medical revelation

Byeongsu's frequent forgetfulness and confusion lead to a diagnosis of Alzheimer's. The doctor warns that his memories will gradually disappear, starting with the most recent. This terrifies Byeongsu, as he fears losing the ability to protect Eunhui. He begins to write everything down, hoping to preserve his identity and his promise to keep Eunhui safe.

Eunhui's Dangerous Suitor

A suspicious new presence

Eunhui introduces her new boyfriend, Pak Jutae, to Byeongsu. Byeongsu is immediately suspicious, recognizing Pak as the man he believes is responsible for a series of local murders. Despite his failing memory, Byeongsu is determined to protect Eunhui from Pak, whom he sees as a predator.

Memories and Misdeeds

Past crimes resurface

As Byeongsu's Alzheimer's progresses, he struggles to distinguish between past and present. Memories of his murders intermingle with his current reality, causing him to question his own actions. He reflects on his life, his crimes, and the impact they have had on his psyche, all while trying to maintain a semblance of normalcy for Eunhui.

The Hunter Becomes Prey

A killer's paranoia grows

Byeongsu becomes increasingly paranoid, convinced that Pak is stalking him and planning to harm Eunhui. He begins to see Pak everywhere, and his fear drives him to consider taking drastic action. Byeongsu's once-sharp mind is now a jumble of confusion and fear, making it difficult for him to trust his own perceptions.

A Father's Desperation

A plan to protect Eunhui

Determined to save Eunhui, Byeongsu devises a plan to kill Pak. He believes this is the only way to ensure her safety. However, his Alzheimer's makes it difficult to execute his plan, as he struggles to remember crucial details. Despite his failing mind, Byeongsu is resolute in his mission to protect his daughter at all costs.

The Final Confrontation

A tragic end unfolds

In a climactic confrontation, Byeongsu's plan unravels. His inability to remember key details leads to a tragic misunderstanding. The police arrive, and Byeongsu is arrested for a murder he cannot recall committing. As he is taken away, he is left with the haunting realization that his mind has betrayed him, and he may have failed in his final promise to Eunhui.

Characters

Kim Byeongsu

A killer turned protector

Byeongsu is a former serial killer who has not killed in decades. Now facing Alzheimer's, he is determined to protect his adopted daughter, Eunhui, from a perceived threat. His struggle with memory loss and his past crimes create a complex character torn between his violent history and his desire to do good.

Eunhui

A daughter in danger

Eunhui is Byeongsu's adopted daughter, unaware of his past. She is the center of his world, and he is determined to protect her from harm. Her relationship with Pak Jutae becomes a source of tension, as Byeongsu fears for her safety.

Pak Jutae

A suspicious suitor

Pak is Eunhui's boyfriend, whom Byeongsu suspects of being a serial killer. His presence in their lives triggers Byeongsu's protective instincts and paranoia, leading to a dangerous confrontation.

Doctor

Bearer of grim news

The doctor diagnoses Byeongsu with Alzheimer's, setting the stage for his struggle with memory loss. He provides a clinical perspective on Byeongsu's condition, highlighting the inevitability of his decline.

Detective Ahn

A relentless pursuer

Detective Ahn is a figure from Byeongsu's past, representing the law's pursuit of justice. His presence in the story underscores the tension between Byeongsu's past crimes and his current life.

Plot Devices

Alzheimer's Disease

A mind unraveling

Alzheimer's serves as a central plot device, symbolizing Byeongsu's loss of control over his life and memories. It creates tension and urgency, as Byeongsu races against time to protect Eunhui before his mind fails completely.

Diary

A record of darkness

Byeongsu's diary is a tangible link to his past, documenting his murders and his thoughts. It serves as a tool for him to remember his identity and his promise to Eunhui, even as his memory fades.

Suspicion and Paranoia

A killer's fear

Byeongsu's suspicion of Pak Jutae drives the narrative, creating a sense of impending danger. His paranoia, fueled by his Alzheimer's, blurs the line between reality and delusion, leading to tragic consequences.

Analysis

A meditation on memory and identity

"Diary of a Murderer" explores the fragility of memory and the impact of past actions on the present. Through Byeongsu's struggle with Alzheimer's, the story examines themes of guilt, redemption, and the desire to protect loved ones. The narrative raises questions about the nature of identity and the extent to which we are defined by our memories. As Byeongsu's mind deteriorates, the story highlights the tension between his violent past and his efforts to be a good father, ultimately portraying a poignant and tragic journey of a man grappling with his own humanity.

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