Directed by

Takashi Miike
Made by
Toho
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Read the complete plot summary and ending explained for JoJo’s Bizarre Adventure: Diamond is Unbreakable – Chapter 1 (2017). From turning points to emotional moments, uncover what really happened and why it matters.
In Morioh, a fictional town in M-Prefecture, a wave of mysterious murders unsettles the community while a quiet, stubborn resilience settles over its residents. Jōsuke Higashikata is a quick-thinking, earnest second-year student who forms a fast friendship with Koichi Hirose when a chance encounter on the street reveals stubborn, almost uncanny powers as he helps fix Koichi’s bicycle. Their bond deepens as strange incidents begin to unfold around them, hinting at something larger and more dangerous than ordinary crime.
The duo’s world expands when they cross paths with Jōtarō Kujo, who appears claiming to be Josuke’s nephew and reveals a startling family truth: Josuke is the illegitimate son of the legendary Joseph Joestar. This exchange reveals another layer to the mystery—the existence of Stand psychic embodiments, with Jotaro displaying the formidable time-manipulating power of his Stand, Star Platinum. Though their initial encounter sparks confusion and a tense misunderstanding, Jotaro’s warning is clear: the killings are the work of a skilled Stand user, and Morioh is not yet safe.
Josuke soon identifies the menace he saw—the Stand user known as Angelo, officially Anjūrō Katagiri. Angelo’s aquatic Stand, Aqua Necklace, enters the Higashikata residence and performs a brutal strike that claims Ryōhei Higashikata, Josuke’s grandfather, just as Jotaro arrives to lend support. The family’s grief is cut short by danger, and a dramatic confrontation ensues. In a moment of clever cunning, Josuke lures Angelo into a trap by swallowing a rubber glove and using his own Stand, Crazy Diamond, to fuse the killer into a rock. Angelo’s confession confirms that his power was granted by an arrow wielded by another high school student, deepening the mystery.
As Ryohei’s funeral sets the stage for a broader hunt, Josuke and Koichi tail a boy named Keicho Nijimura, who is Angelo’s ally, to a derelict house. Inside, they are ambushed by Keicho and his younger brother Okuyasu Nijimura. The brothers’ Stand battles begin in earnest: Okuyasu’s The Hand blocks Josuke, while Keicho uses Bad Company to strike at Koichi, forcing a desperate escape. Josuke’s resolve grows as he and Koichi fight to rescue their companion, with Okuyasu stepping forward to help despite the personal risk.
The confrontation intensifies when Keicho pushes Koichi to manifest his Stand, only to reveal Koichi’s Stand as an unusual, large egg and to unleash an immortal abomination that is revealed to be their father—the legacy of a troubled lineage tied to Dio Brando. Keicho Nijimura explains that he’s been building Stand users in the hope that one might end his father’s suffering, a goal that tests the limits of Josuke’s compassion and resolve. Josuke uses Crazy Diamond to repair a cherished family photograph, a small act that rekindles a spark of humanity in the Nijimura brothers and lends them a chance to choose a different future. Despite this, the elder Nijimura continues to press forward, hoping to secure the bow and arrow that governs these powers.
The tension erupts again as a hostile Stand—Sheer Heart Attack—arrives, and Keicho makes a selfless choice to shield Okuyasu from harm. This sacrifice marks a turning point for the group, reinforcing Josuke’s determination to shield Morioh from darkness and to safeguard those he cares about. After the dust settles, a renewed alliance forms: Josuke reunites with Jotaro to renew their vow to protect their town, while Koichi and Okuyasu stand by him, ready to face whatever comes next.
In a quiet coda, a mid-credits scene ominously points toward the manga’s broader antagonist: a house holds a paper bag containing a severed hand and an arrow, a grim reminder of Yoshikage Kira and the far-reaching threads that connect Morioh to a larger, darker world. The film closes with a renewed sense of purpose among the trio as they prepare to continue their guardianship of Morioh, standing together against the unknown forces that seek to tear their town apart.
Follow the complete movie timeline of JoJo’s Bizarre Adventure: Diamond is Unbreakable – Chapter 1 (2017) with every major event in chronological order. Great for understanding complex plots and story progression.
Josuke meets Koichi and displays strange powers
In Morioh, Josuke Higashikata befriends new student Koichi Hirose. He exhibits an unusual power that seems to fix Koichi's bicycle, hinting at his Stand abilities. The encounter sets the tone for a series of escalating mysteries around town.
Josuke foils a convenience store robbery with a water-like Stand
A delinquent under the influence of a mysterious water-like creature attempts a robbery. Josuke intervenes and foils the crime, using his untested powers to stop the attacker. The event reveals that the town's murders are connected to a Stand user.
Jotaro Kujo arrives, explains Stand power and lineage
Jotaro Kujo arrives in Morioh and introduces himself as Josuke's nephew, confirming that Josuke is the illegitimate son of Joseph Joestar. A brief clash shows their Stands' power, including Star Platinum's time-manipulation ability. He warns that the town's murders are being caused by another Stand user and urges vigilance.
Angelo Katagiri identified as the killer Stand user
Josuke identifies the water-like creature as a Stand, and its user is Angelo Katagiri, a serial killer who targets those who interfere with his crimes. Josuke remains unaware of Angelo's identity at this point. The revelation heightens the danger surrounding Morioh.
Angelo's Aqua Necklace enters Higashikata residence; Ryohei is killed
The next day, Angelo uses Aqua Necklace to infiltrate the Higashikata home and confront Josuke's family. Although he fails to kill Tomoko Higashikata, he murders Josuke's grandfather Ryohei. Jotaro arrives in time to assist in the ensuing struggle.
Josuke traps Aqua Necklace by swallowing a glove
During the confrontation, Aqua Necklace overwhelms them until Josuke tricks it into entering a rubber glove he secretly swallowed. The Stand is immobilized, and Angelo is located afterward. The trap demonstrates Josuke's quick thinking and growing control over his power.
Josuke defeats Angelo; Crazy Diamond fuses him into a rock
Josuke uses Crazy Diamond to fuse Angelo into a rock, ending the immediate threat. Angelo reveals that his power came from an arrow-wielding high school student, hinting at a larger network of Stand users. This expands the conflict beyond Morioh.
Funeral of Ryohei; Nijimura brothers enter the picture
Ryohei's funeral grounds the town in sorrow, and Josuke and Koichi track a youth named Keicho Nijimura to a derelict house. Keicho and his younger brother Okuyasu ambush them, signaling the deepening Stand-user antagonism. Keicho drags Koichi inside after shooting an arrow through his neck.
Okuyasu fights Josuke; Keicho uses Bad Company; Koichi is captured
Okuyasu confronts Josuke with his Stand The Hand as Keicho assaults the others with Bad Company. Josuke overcomes Okuyasu, but Keicho's use of Bad Company injures Okuyasu and incapacitates Koichi. The trio is driven deeper into the derelict house as the pursuit of the Bow and Arrow resumes.
Koichi manifests Stand; egg-like form revealed
Keicho tries to force Koichi to manifest his Stand, but Koichi unexpectedly reveals a large egg-like form. Josuke and Koichi realize the egg is a placeholder for a powerful Stand and work to strengthen Koichi's abilities. The discovery deepens the mystery surrounding the Bow and Arrow.
Immortal abomination revealed; Dio connection explained
Keicho reveals an immortal abomination inside the Nijimura family, a consequence of Dio Brando's legacy. He explains that Dio's influence has driven him to create Stand Users in the hope that one might end his father's suffering. The revelation deepens the moral complexity of their mission.
Josuke pledges to protect Morioh; alliance with Nijimura brothers
Josuke, aided by Jotaro, resolves to continue his grandfather's mission of protecting Morioh. He vows to help the Nijimura brothers, while Koichi and Okuyasu offer their support. The group prepares to face future Stand threats in the town.
Mid-credits tease: Kira setup
In a mid-credits scene, a house is shown with a paper bag containing a severed hand and an arrow, hinting at Yoshikage Kira and the broader Dio-related conflict. The image reinforces that the dangers in Morioh extend beyond the current case. It sets up future confrontations.
Explore all characters from JoJo’s Bizarre Adventure: Diamond is Unbreakable – Chapter 1 (2017). Get detailed profiles with their roles, arcs, and key relationships explained.
Jōsuke Higashikata — Kento Yamazaki
A second-year high school student who befriends Koichi Hirose. He wields the healing-oriented Stand Crazy Diamond, which can fix objects and injuries, signaling a protective, pragmatic nature. Brash yet principled, he steps up to shield his town from the Stand-wielding killer Angelo. His determination to defend Morioh fuels much of the action.
Jōtarō Kujo — Yūsuke Iseya
An emblem of experience who warns Josuke about Stand users and the dangers they present. He demonstrates time-manipulation via his Stand, Star Platinum, and acts as a mentor figure guiding the younger heroes. His arrival intensifies the mystery and signals that Morioh is a battleground for powers beyond ordinary means. He embodies leadership, restraint, and strategic thinking.
Anjūrō Katagiri — Takayuki Yamada
A terrifying Stand user and serial killer who wields Aqua Necklace. He is calculating, elusive, and dangerous, using his power to threaten and kill. His confrontations with Josuke and Koichi reveal the darker side of Morioh’s quiet streets. His arc drives the revelation of the broader Stand-using network.
Keichō Nijimura — Masaki Okada
A strategic and morally ambiguous ally-turned-antagonist who manipulates Koichi and others with his Stand Bad Company. He is willing to sacrifice for a greater aim and reveals a complicated, protective motive toward his family. His actions catalyze key battles and the quest to restore a fragment of humanity within his father.
Ryohei Higashikata — Jun Kunimura
Josuke’s grandfather, a kind and respected figure in the Higashikata family. His death during Angelo's assault becomes a turning point that galvanizes the community and strengthens the resolve of the young protagonists. His memory anchors the family and motivates the pursuit of justice.
Tomoko Higashikata — Arisa Mizuki
Josuke’s mother, whose safety becomes a focal concern as the killer targets the Higashikata household. She represents the vulnerable family unit that Josuke vows to protect. Her near-miss experiences heighten the tension and emotional stakes of the pursuit.
Kōichi Hirose — Ryunosuke Kamiki
A new student who befriends Josuke and gradually awakens his Stand. He embodies caution tempered by curiosity, growing more confident as they face down the killer. His partnership with Josuke highlights themes of trust and teamwork in the fight against hidden threats.
Okuyasu Nijimura — Mackenyu
Keicho’s younger brother who joins the fray with his Stand The Hand. He starts as a formidable foe but ultimately becomes a crucial ally in the battle to rescue Koichi. His loyalty and blunt directness contrast with Josuke’s calculated approach, enriching the team dynamic.
Yoshizawa Masaya — Shuntaro Yanagi
A local youth whose actions intersect with the escalating danger around Morioh. His presence adds to the sense that the town’s younger generation is drawn into the Stand-fueled conflict. He represents how ordinary residents become entangled in extraordinary events.
Koichi Hirose — Ryunosuke Kamiki
A cautious but determined new student who becomes Josuke’s ally. He demonstrates growth as he learns to manifest and control his Stand, contributing to the duo’s capacity to heal and fight when threatened. His partnership with Josuke underscores collaboration as a path to solving the mystery.
Nao [Student] — Akari Matsukawa
A student in Morioh whose presence signals everyday life continuing amid danger. Though not a central fighter, her inclusion helps depict the town’s social fabric under strain. Her role underscores the theme of community resilience.
[Student] — Shima Yuika
Another student in Morioh who appears in school-related scenes. Her perspective contributes to the sense of a lived-in town where ordinary routines intersect with the extraordinary events surrounding Stand users. She helps illustrate the broad impact of the ongoing conflict.
Nijimura Okuyasu [Young] — Ryusei Iwata
The younger version of Okuyasu Nijimura, glimpsed in earlier moments of the narrative. His presence hints at family ties and the evolution of the Nijimura siblings’ dynamics. He foreshadows the perseverance of Okuyasu’s loyalties later in the story.
Bad Boy — Ryunosuke Suzuki
A delinquent encountered in the town’s rougher corners, representing the everyday threats that Stand users can pose. His actions contribute to the chaotic atmosphere surrounding Morioh’s early investigations. He embodies the urban edge that contrasts with the protagonists’ more righteous aims.
Bad Boy — Shodai Fukuyama
Another delinquent figure whose presence adds to Morioh’s rougher scenes. While not central to the core plot, this character helps establish the urban, high-school setting where Stand-related tension brews. His role reinforces the theme of diverse Stand-users crossing paths.
Learn where and when JoJo’s Bizarre Adventure: Diamond is Unbreakable – Chapter 1 (2017) takes place. Explore the film’s settings, era, and how they shape the narrative.
Location
Morioh, M Prefecture
Morioh is a fictional town in M Prefecture serving as a quiet backdrop for strange, murderous events. The setting blends ordinary suburban life—schools, homes, local shops—with the presence of Stand users and a creeping sense of danger. It is a close-knit community where secrets hide beneath a calm surface.
Discover the main themes in JoJo’s Bizarre Adventure: Diamond is Unbreakable – Chapter 1 (2017). Analyze the deeper meanings, emotional layers, and social commentary behind the film.
🕰️
Time
Time plays a crucial role through the Stand abilities, altering how battles unfold and how characters perceive moments. The story uses time as both a weapon and a shield, shaping decisions and outcomes. Characters must reckon with the consequences of manipulating time and fate.
🕵️
Mystery
A string of murders drives the plot, with clues hidden in everyday places like houses, schools, and neighborhoods. The protagonists chase leads and confront a dangerous Stand user, gradually revealing the killer's identity. The mystery unfolds through strategic confrontations and escalating dangers.
🤝
Friendship
Friendship anchors the narrative as Josuke and Koichi team up against lethal threats. Bonds are tested, strengthened, and sometimes sacrificed in the fight to protect Morioh. The story emphasizes loyalty, trust, and collective defense over individual glory.

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In the quiet suburban streets of Morioh, 1999 feels like a nostalgic snapshot—tree‑lined avenues, modest homes, and a rhythm that suggests nothing more than ordinary life. Yet beneath that calm surface, an undercurrent of the bizarre begins to pulse, hinting that the town has become a nexus for the inexplicable. The atmosphere blends the comforting familiarity of small‑town life with a subtle, electric tension, inviting curiosity about what unseen forces might be stirring.
When marine biologist Jōtarō Kūjō arrives, he is drawn into the town’s oddities by a chance meeting with the charismatic high‑schooler Jōsuke Higashikata, a revelation that ties him to a legendary lineage he never imagined. Their bond quickly expands to include the earnest and gentle Kōichi Hirose and the lively, quick‑tempered Okuyasu Nijimura. Together, this eclectic quartet discovers that they each possess mysterious abilities known as Stands—manifestations of inner power that blur the line between the ordinary and the supernatural. Their personalities clash and complement each other, forming a dynamic quartet that feels simultaneously grounded and otherworldly.
United by a shared sense of responsibility, the group sets out to uncover the source of Morioh’s recent disappearances and unsettling events. Their quest is less a linear investigation and more a journey through a town where the mundane coexists with the extraordinary, each alleyway and convenience store holding the promise of wonder or danger. The tone balances light‑hearted camaraderie with an undercurrent of mystery, inviting viewers to experience the thrill of discovery alongside characters whose humor, curiosity, and emerging powers make every step feel both intimate and grand.
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