Directed by

Kim Hwi
Made by

Kidari ENT
Read the complete plot summary and ending explained for The Tooth and the Nail (2017). From turning points to emotional moments, uncover what really happened and why it matters.
In late 1940s Seoul, a chilling murder within a cold stone mansion sets off a chain of revelations that stitch together love, betrayal, and a buried wartime past. A nationally renowned circus magician, Lee Seok-jin, meets Ha-yeon Im Hwa-young and what begins as a tender romance soon deepens into marriage, with Ha-yeon carrying their unborn child. As they settle into a shared life of performances and secrets, a copper plate used to manufacture counterfeit banknotes surfaces, linking Ha-yeon to a shadowy period when a man named Shigeru Okamoto approached her uncle to forge money. The police circle tightens, Ha-yeon hides the plate, and Seok-jin’s instinct to protect her grows desperate when he learns Okamoto is still dangerous. When Ha-yeon is abruptly pushed to her death on a street, Seok-jin’s grief hardens into a consuming resolve to avenge what was lost, including the life of their child, and he drifts away from the magic that once defined him.
Grief gives way to a calculated pursuit of vengeance. A chance encounter with a counterfeit-note trail leads Seok-jin down a dangerous path toward the man he believes to be at the heart of Ha-yeon’s fate. To reach Okamoto without drawing suspicion, he changes his name, adopts the alias Choi Seung-man Go Soo, and becomes a penniless taxi driver who tests every note he receives by burning it—a test that slowly reveals a broader network. While working the streets, he discovers that the mastermind behind the forged notes is Nam Do-jin Kim Joo-hyuk, a multilingual Korean who lives a life of quiet power in a stone mansion. Seok-jin embeds himself in Do-jin’s world, watching every movement as he quietly crafts a plan to bring down his former enemy and clear Ha-yeon’s memory. The path to revenge travels through deception, danger, and a broker’s game of cat and mouse.
The web tightens as Do-jin’s shadowy operations touch the lives of others close to Seok-jin. A calculating brothel owner, Ms. Sung, becomes a focal point in the peril surrounding Ha-yeon’s memory. When Do-jin confronts a printer who can expose the counterfeit scheme, he silences him violently, and Ms. Sung becomes an unwitting witness in the escalating danger. Seok-jin, now deeply embedded as the driver in Do-jin’s household, obtains Sung’s own chilling letter and a severed head that Do-jin has already disposed of, a grisly clue that underscores the dark costs of the pursuit. The emotional stakes rise as Seok-jin contends with the weight of his choices, slowly choosing not to read the letter and instead treasuring the memory of Ha-yeon, a memory he keeps close alongside her ring.
In the courtroom, truth and inference clash as Do-jin faces murder charges tied to the disappearance of Seung-man and the broader counterfeit operation. The prosecution builds its case around circumstantial proof, including the severed finger and the blood evidence tied to Sung’s head, while Do-jin insists on his innocence and questions whether there is direct evidence that ties him to Seung-man’s death. A turning point arrives when Seok-jin himself takes the stand as an anonymous tipster who eventually reveals his true identity as Choi Seung-man, confronting Do-jin with the realization that he has nothing to fear from a distant accuser—yet the court’s questions about identity, motive, and connection intensify. The confrontation exposes the fragility of certainty, and with no small measure of drama, Do-jin’s fate is sealed.
Ultimately, Nam Do-jin is convicted of murder and sentenced to life in prison, with additional charges to be addressed in a future proceeding. Seok-jin, having achieved his long-sought revenge and justice for Ha-yeon and their unborn child, returns to the circus to resume his career, carrying a quiet, steadfast memory of his lost love. In the end, the magician keeps a small keepsake—a photo of Ha-yeon and her ring—by his side, a constant reminder of what he sacrificed and what he finally avenged.
Follow the complete movie timeline of The Tooth and the Nail (2017) with every major event in chronological order. Great for understanding complex plots and story progression.
Meet, marry and start a life together
Lee Seok-jin, a nationally famous circus magician, saves Jung Ha-yeon and the two form a close bond that grows into love. They become stage partners, performing together and eventually marry, with Ha-yeon becoming pregnant. Their life blends showmanship with a private happiness that belies the dangers looming from Ha-yeon's past.
Bus-side revelation
On a bus, Seok-jin spots Ha-yeon passing a letter to a woman and confronts her about it. She explains that she was helping a passer-by, and the moment hints at a shadowy past. This foreshadows the danger and secrets surrounding Ha-yeon's copper-plate legacy.
Seoul contract and copper plate revelation
After securing a new contract in Seoul, Seok-jin and Ha-yeon perform together and move into a hotel while on tour. Ha-yeon opens a bag in their hotel room and reveals a copper plate used to make counterfeit notes, explaining its origin from the Japanese era. The uncle who helped make it was killed, linking Ha-yeon's past to a deadly history.
Uncle's murder and police pressure
Japanese police and Okamoto relentlessly press Ha-yeon for the location of the copper plate, forcing her to hide it and flee. The episode shows the peril that Ha-yeon's family faced long ago during the occupation. The copper plate's existence ties multiple characters to a deadly conspiracy.
Ha-yeon falls to murder
Seok-jin's attempt to warn Okamoto comes too late as Ha-yeon is pushed to her death by an unseen hand. The loss devastates him and confirms the deadly reach of Ha-yeon's past. He mourns Ha-yeon and their unborn child, turning to grief that reshapes his life.
Descent into alcohol and lost career
Grief drives Seok-jin into alcoholism and he abandons his circus career. He wanders the streets, mired in despair, until a chance encounter with a counterfeit note rekindles his drive for vengeance. The seeds of revenge begin to take root.
Burning the illusion: the counterfeit note
While intoxicated, Seok-jin discovers a counterfeit bank note on the street, confirming that the crime network Ha-yeon was entangled with remains active. This discovery sharpens his resolve to expose Okamoto and the others. He commits to a path of revenge rather than despair.
Gaining access: alias and the hunt for Okamoto
Following guidance from a Japanese officer, Seok-jin changes his appearance and adopts the alias Choi Seung-man to lure and locate Okamoto in Seoul. He then becomes Nam Do-jin's personal driver, observing him while the man is often accompanied by a mysterious woman. His multilingual clues hint at Okamoto's real identity and begin to connect the dots of the past.
The mansion witness: Do-jin's driver
Seok-jin spends his days as Do-jin's driver, living in the stone mansion and watching the man’s every move. He gradually tests whether Do-jin is the one behind the fake notes and Ha-yeon's murder, building his revenge plan from within. The tension between master and driver deepens as Do-jin's secrets begin to surface.
The 10 PM call and the printer owner's death
Do-jin engineers a phone call at 10 PM to the printer who knows about the copper plate, only for the printer to be killed by Do-jin when the truth surfaces. Mdm Sung overhears and taunts Seok-jin, insinuating that Ha-yeon was connected to Do-jin. The seeds of suspicion are sown as the chain of murders expands.
Sung's murder and the severed head
Do-jin murders Mdm Sung and dismembers her, claiming he killed Ha-yeon to silence her and that he never loved Sung or Ha-yeon. Seok-jin returns home with Sung's severed head, intensifying the cat-and-mouse game between them and bringing the case to a boiling point.
Courtroom showdown and Do-jin's confession
Seok-jin reveals in court that he was the anonymous caller who reported the murder, and Do-jin identifies him as Seung-man; tension erupts as Do-jin's attempt to attack is thwarted by guards. The prosecutor's case collapses without new evidence, and the judge warns of an acquittal unless fresh proof emerges.
Verdict and memory
In a dramatic climax, Do-jin ultimately confesses to killing Seung-man and is sentenced to life imprisonment for murder, with other charges to be addressed later. Seok-jin returns to the circus, resumes performing, and keeps Ha-yeon's memory alive with a photo of her and her ring by his side.
Explore all characters from The Tooth and the Nail (2017). Get detailed profiles with their roles, arcs, and key relationships explained.
Lee Seok-jin
A renowned circus magician whose wife Ha-yeon’s murder propels him from fame into a calculated pursuit of vengeance. He battles alcoholism yet rechannels his pain into a determined hunt for the truth, adopting disguises and new identities along the way. His journey blends heartbreak with a methodical, almost magical, focus on exposing the crime network behind Ha-yeon’s death.
Nam Do-jin
A Korean man with a Japanese identity who runs a counterfeit operation and resides in a stone mansion. He uses cunning and violence to silence threats to his secret, masking his crimes with a veneer of propriety. In court, circumstantial evidence pulls the veil from his deception, culminating in a life sentence for his crimes.
Jeung Ha-yeon
A beautiful circus performer whose connection with Seok-jin becomes entangled with illicit efforts surrounding the copper plate. Her life is tragically cut short, igniting Seok-jin’s quest for revenge and exposing the peril that surrounds those who cross the criminal underworld. Her memory haunts the story as the catalyst for the entire vengeance arc.
Ms. Sung
A brothel owner who holds a key piece of the copper plate and taunts Seok-jin with insinuations about Ha-yeon’s past. Her arrogance and access to secrets place her at the center of the conspiracy, making her a dangerous figure in the criminal web. She is killed by Do-jin, a casualty of the escalating power struggle surrounding the counterfeit operation.
Choi Seung-man
Seok-jin’s alias when he becomes a penniless taxi-driver and infiltrates Do-jin’s circle. He observes Do-jin’s movements and ultimately becomes a crucial witness who exposes the truth in court. During the confrontation, his right finger is severed, a stark reminder of the risks involved in Seok-jin’s pursuit of justice.
Learn where and when The Tooth and the Nail (2017) takes place. Explore the film’s settings, era, and how they shape the narrative.
Time period
Late 1940s
In the years after Korea's liberation, Seoul grapples with upheaval and shadowy networks. The postwar era breeds corruption, counterfeit currency, and clandestine operations that drive the thriller. The film situates its drama within this volatile period, where truth is hard to pin down and revenge blurs with justice.
Location
Seoul
The film unfolds in late-1940s Seoul, centered on a stone mansion that serves as a hub for power and crime. The city’s postwar turbulence frames a narrative of counterfeit money, hidden identities, and dangerous vendettas, all set against a backdrop of a society reconfiguring after liberation. From the streets to the mansion’s halls, the setting underscores how wealth and memory can mask deadly secrets.
Discover the main themes in The Tooth and the Nail (2017). Analyze the deeper meanings, emotional layers, and social commentary behind the film.
⚖️
Justice
The pursuit of truth and the legal process drive the drama, revealing how evidence can be fragile and memory can shape guilt. Prosecution, testimony, and courtroom strategy clash with personal vendettas, highlighting the tension between formal justice and moral truth. The film probes whether justice can be truly fair when driven by vengeance and secrets.
🔪
Revenge
Ha-yeon’s death ignites a relentless quest for vengeance, turning Seok-jin into a man transformed by grief. The pursuit exposes the cost of revenge on both the avenger and those around him, as disguises, manipulation, and calculated danger escalate the body count. The narrative questions whether retribution can restore what was lost without creating new wounds.
🕵️
Identity
Characters assume multiple identities to survive and uncover truth, with Seok-jin adopting the alias Choi Seung-man and Do-jin maintaining a hidden, foreign-front. This fluid sense of self blurs lines between victim and perpetrator, and between ally and foe. The theme shows how identity can be a shield, a weapon, and a trap in a world coated with deceit.

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Explore the mobile appDiscover the spoiler-free summary of The Tooth and the Nail (2017). Get a concise overview without any spoilers.
In the turbulent aftermath of Korea’s liberation, the streets of Seoul pulse with a restless blend of hope and uncertainty. Neon signs flicker above smoky clubs, and traveling circuses drift from town to town, offering fleeting marvels that momentarily drown out the lingering shadows of the recent past. Against this backdrop, the city feels both alive with possibility and haunted by secrets that whisper from cracked cobblestones.
Seok-jin is a celebrated magician whose deft hands and charismatic presence have turned a modest club act into a nationwide sensation. His performances are a delicate choreography of illusion and showmanship, drawing audiences who crave wonder in an era still finding its footing. Though his public persona sparkles under the spotlight, there is a quieter, introspective side to him—a man who meticulously guards the thin line between reality and the artful deceptions he creates.
When a chance encounter introduces Ha-yeon, a striking and enigmatic woman, their connection quickly deepens. She becomes his assistant on stage, matching his flair with her own magnetic charm, and soon their partnership blossoms into a heartfelt romance. Their bond weaves together the intimacy of shared dreams with the palpable chemistry of two performers who understand each other’s yearning for escape and belonging.
The tranquility of their entwined lives is shattered when Ha-yeon is suddenly found dead, an inexplicable loss that reverberates through the circus tent and the city’s undercurrents alike. Grief propels Seok-jin into a quiet, relentless quest for answers, compelling him to navigate the murky intersections of his glittering world and the darker forces that linger just out of view. The film unfolds as a moody, period‑driven mystery, inviting viewers to linger on the tension between illusion and truth, and to wonder what lies hidden beneath the surface of a world still learning how to rebuild.
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