Chainsaw Man - The Movie: Reze Arc

Denji recounts a bizarre dream in which Pochita warns him not to open a mysterious door he keeps encountering. The dream unsettles him, but when he wakes he tries to talk about it with Power, who responds by punching him for being distracted. The scene plants a recurring sense of danger that threads through the rest of the day.

Makima assigns Beam as Denji's partner while Power is temporarily unavailable, revealing Beam's overzealous loyalty and willingness to act on Denji's orders. Denji quickly learns Beam is powerful but unpredictable, and his enthusiasm creates tension during early missions. This pairing marks a new dynamic for Division 4.

Makima invites Denji to spend a day at the movies, and they sit through a string of films together. Although they don't enjoy the first batch, the final film moves both of them to tears. Makima's reassurance that Denji has a heart strengthens his resolve and deepens his feelings toward her.

Feeling emboldened, Denji begins doing good deeds for victims of Devil attacks and imagines asking Makima to be his girlfriend. He smiles at the prospect of a brighter future, even as the complications of their relationship loom. The newfound confidence shifts his priorities toward more hopeful acts.

During a storm, Denji hides in a phone booth where he meets Reze, a teenage girl with unsettling calm. He performs a trick by regurgitating a flower he had eaten, which she finds amusing. She invites him to visit the cafe where she works later that day.

Denji goes to the cafe and sits with Reze, who flirts with him and tests his loyalties. He feels drawn to her but remains conflicted because of his strong feelings for Makima. The tension between romance and obligation deepens.

Aki Hayakawa and Angel patrol to prepare for another confrontation with Gun Devil, but their uneasy partnership underscores a broader moral conflict. Angel's half-Devil attitude makes him indifferent to human suffering, and he refuses to end a life when a human pleads for mercy. Makima urges Aki to use Angel for the team's ends, revealing the cold pragmatism shaping Division 4.

An assassin known as Mohawk Man teams with Typhoon Devil as various Devils close in on Chainsaw Man. They begin their mission by targeting families and others as the hunt intensifies. The scale of their plan signals an imminent escalation in Denji's peril.

Reze lures Denji into a late-night break-in at a high school, prompting him to confront his past and identity. Denji admits he didn’t attend high school, which deepens their connection as they move toward dangerous possibilities. The moment plants the seed for later betrayals and defiant choices.

The pair escape to a swimming pool for a private moment, where Denji's attraction to Reze intensifies. The carefree moment deepens their bond, even as ominous forces loom nearby. Their closeness raises the stakes for Denji's loyalties.

Mohawk Man ambushes Reze in the school halls and is quickly overwhelmed on the rooftop, where Reze reveals lethal capabilities and calls Typhoon to renew their contract. The renewed pact signals a heightened threat to Denji and his allies. The confrontation intensifies the hunt around Denji.

Reze invites Denji to watch fireworks, pressing him to abandon Public Safety; Denji declines and she makes a brutal move by biting off his tongue in a kiss attempt. Beam arrives to save Denji and reveals Reze's Bomb Devil nature to him. The revelation reframes Denji's view of Reze and the danger she represents.

Reze rampages at a Division 2 hideout, slaughtering many hunters as Denji fights back. Angel revives Denji with the blood of a dying woman, while Aki saves Angel from a fatal outcome; their intervention shortens Aki's life expectancy, creating a grim personal cost for the group. The team realizes the stakes are higher than ever.

Denji embraces his Chainsaw Man abilities, riding Beam's Shark Fiend form into battle against Typhoon while Reze unleashes explosive power. His improvised tactic with the loose chains begins to turn the tide, though Reze remains dangerous and capable of shocking retaliation. The fight pushes both sides to their limits by the water's edge.

Makima intervenes and severs Reze's detonation, and Angel impales Reze as she dies. Denji waits at the cafe through the day, still processing everything that happened. Power bursts in with a bouquet at the end, sparking a petty bickering between them as a mysterious door behind the forbidden door clatters in the background.