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Mantis poster

Mantis

“A new generation of rising killers.”

6.2
2025
1h 53m
ActionCrimeThriller
Director: Lee Tae-sung
Watch on Netflix

Overview

The secret society of contract killers falls into chaos, unleashing a new breed of assassins. With old rules in ruins, who dares claim the shadows?

Trailer

Official Trailer [ENG SUB] Official

Cast

Reviews

AI-generated review
The Architecture of Chaos

When *Kill Boksoon* arrived in 2023, it presented the assassin’s world as a corporate ladder—a sleek, suffocating bureaucracy where murder was just another KPI. Lee Tae-sung’s directorial debut, *Mantis*, returns to this blood-soaked universe, but the glass ceiling has shattered. The monolithic MK Entertainment has crumbled, leaving a vacuum that demands not just violence, but reinvention. If *Boksoon* was about the heavy burden of legacy, *Mantis* is about the terrifying, exhilarating anarchy of the gig economy. It is a film less concerned with the "why" of killing than the "how" of surviving when the old gods are dead.

Park Gyu-young as Jae-yi staring intensely in a dimly lit room

Visually, Lee steps out from the shadow of his mentor (Byun Sung-hyun) with a style that feels both familiar and distinctly restless. The cinematography abandons the polished, metallic sheen of the corporate era for something grimier and more kinetic. The camera doesn't just observe; it participates, swinging wildly during the close-quarters combat as if it, too, is fighting for breath. The use of color is particularly striking—neon reds and bruised purples wash over the scenes, suggesting a world that is perpetually recovering from a black eye. Yet, there is a playfulness here. The brutality is punctuated by a rhythmic editing style that turns gruesome encounters into a macabre dance, reminding us that for these characters, violence is the only language that doesn't require translation.

Yim Si-wan as Mantis in a chaotic action sequence

At the center of this storm is Han-ul (Yim Si-wan), the titular Mantis. Yim, often cast for his delicate features and unnerving stillness, weaponizes his boyish charm here. He plays Han-ul not as a stoic warrior, but as a bored prodigy—a man who treats assassination with the casual indifference of a start-up founder looking for his next venture. However, the emotional gravity of the film rests on the shoulders of Jae-yi (Park Gyu-young). Her performance is the counterweight to Han-ul’s detachment. While he views the power vacuum as a playground, she experiences it as a cage fight. Their dynamic is not a simple romance or a buddy-cop cliché; it is a portrait of shared trauma, two orphans of a fallen system trying to build a home on a foundation of corpses.

Characters navigating the dark underworld

Ultimately, *Mantis* struggles slightly under the weight of its own kinetic energy. The narrative occasionally swerves into convoluted territory, introducing "investors" and rival factions that feel more like plot devices than flesh-and-blood threats. Yet, it succeeds where many spin-offs fail: it justifies its existence. It does not merely retread the ground of *Kill Boksoon*; it expands the map. It argues that when the structures of control collapse, what remains is not freedom, but a more primal, desperate form of competition. It is a stylish, frantic, and surprisingly funny meditation on the hustle—a reminder that in this industry, unemployment is the only thing deadlier than the job itself.
LN
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