Japan Sinks poster
7
Arcplot Score
Unverified

Japan Sinks

2006135 minPG-13
Director: Shinji Higuchi
Writers:Sakyo Komatsu, Masato Katō
Cinematographer: Taro Kawazu

In the aftermath of a major earthquake, scientists predict that Japan will sink into the sea. As further disasters follow, politicians plead with other countries to take refugees, while scientists struggle to save Japan itself.

Revenue$47.6M

The film earned $47.6M at the global box office.

IMDb5.6TMDb5.5
Popularity2.9
Awards

1 nomination

Plot Structure

Story beats plotted across runtime

Act ISetupAct IIConfrontationAct IIIResolutionWorldbuilding3Resistance5Premise8Opposition10Crisis12Synthesis14124679111315
Color Timeline
Color timeline
Sound Timeline
Sound timeline
Threshold
Section
Plot Point

Narrative Arc

Emotional journey through the story's key moments

+1-2-5
0m33m67m100m133m
Plot Point
Act Threshold
Emotional Arc

Story Circle

Blueprint 15-beat structure

Loading Story Circle...

Arcplot Score Breakdown

Structural Adherence: Standard
8.8/10
4/10
1.5/10
Overall Score7/10

Weighted: Precision (70%) + Arc (15%) + Theme (15%)

Japan Sinks (2006) showcases meticulously timed plot construction, characteristic of Shinji Higuchi's storytelling approach. This structural analysis examines how the film's 15-point plot structure maps to proven narrative frameworks across 2 hours and 15 minutes. With an Arcplot score of 7.0, the film balances conventional beats with creative variation.

Characters

Cast & narrative archetypes

Tsuyoshi Kusanagi

Toshio Onodera

Hero
Tsuyoshi Kusanagi
Kou Shibasaki

Reiko Abe

Herald
Ally
Kou Shibasaki
Etsushi Toyokawa

Yusuke Tadokoro

Mentor
Etsushi Toyokawa
Mao Daichi

Prime Minister Yamamoto

Threshold Guardian
Mao Daichi
Mayuko Fukuda

Saori Takamori

Love Interest
Mayuko Fukuda

Main Cast & Characters

Toshio Onodera

Played by Tsuyoshi Kusanagi

Hero

A submarine pilot who becomes central to rescue operations as Japan faces catastrophic seismic activity and must evacuate its population.

Reiko Abe

Played by Kou Shibasaki

HeraldAlly

A government scientist studying seismic activity who discovers the terrifying truth about Japan's impending geological collapse.

Yusuke Tadokoro

Played by Etsushi Toyokawa

Mentor

A geologist who has predicted Japan's sinking and works desperately to convince authorities and save as many lives as possible.

Prime Minister Yamamoto

Played by Mao Daichi

Threshold Guardian

Japan's leader who must make impossible decisions about evacuating 120 million people as the nation literally crumbles beneath them.

Saori Takamori

Played by Mayuko Fukuda

Love Interest

Toshio's love interest who becomes separated from him during the escalating disasters and evacuation chaos.

Structural Analysis

The Status Quo at 1 minutes (1% through the runtime) establishes Reiko works as a diving technician in the deep ocean trenches while her daughter Misaki prepares for a school trip, establishing their ordinary life in modern Japan.. Notably, this early placement immediately immerses viewers in the story world.

The inciting incident occurs at 16 minutes when A massive earthquake strikes during Misaki's school trip, causing widespread destruction. The incident confirms Tadokoro's worst fears about accelerating tectonic instability.. At 12% through the film, this Disruption aligns precisely with traditional story structure. This beat shifts the emotional landscape, launching the protagonist into the central conflict.

The First Threshold at 33 minutes marks the transition into Act II, occurring at 24% of the runtime. This demonstrates the protagonist's commitment to The government acknowledges the threat and launches Project D-Plan to evacuate Japan's population. Reiko volunteers to continue deep-sea research missions to help predict the disaster timeline., moving from reaction to action.

At 68 minutes, the Midpoint arrives at 50% of the runtime—precisely centered, creating perfect narrative symmetry. Of particular interest, this crucial beat Mount Fuji erupts catastrophically, confirming that the sinking is accelerating faster than predicted. The timeline for Japan's destruction collapses from months to weeks., fundamentally raising what's at risk. The emotional intensity shifts, dividing the narrative into clear before-and-after phases.

The Collapse moment at 101 minutes (75% through) represents the emotional nadir. Here, Onodera sacrifices himself in a submarine accident to save Reiko during a critical mission. His death represents the cost of their struggle and the loss of hope as Japan literally crumbles around them., indicates the protagonist at their lowest point. This beat's placement in the final quarter sets up the climactic reversal.

The Second Threshold at 108 minutes initiates the final act resolution at 80% of the runtime. Reiko chooses to honor Onodera's sacrifice by completing their mission. She realizes that even in the face of certain destruction, their data might help humanity understand and survive future catastrophes., demonstrating the transformation achieved throughout the journey.

Emotional Journey

Japan Sinks's emotional architecture traces a deliberate progression across 15 carefully calibrated beats.

Narrative Framework

This structural analysis employs proven narrative structure principles that track dramatic progression. By mapping Japan Sinks against these established plot points, we can identify how Shinji Higuchi utilizes or subverts traditional narrative conventions. The plot point approach reveals not only adherence to structural principles but also creative choices that distinguish Japan Sinks within the drama genre.

Shinji Higuchi's Structural Approach

Among the 5 Shinji Higuchi films analyzed on Arcplot, the average structural score is 7.1, reflecting strong command of classical structure. Japan Sinks takes a more unconventional approach compared to the director's typical style. For comparative analysis, explore the complete Shinji Higuchi filmography.

Comparative Analysis

Additional drama films include After Thomas, South Pacific and Dirty Dancing: Havana Nights. For more Shinji Higuchi analyses, see Shin Godzilla, Lorelei: The Witch of the Pacific Ocean and Attack on Titan.

Plot Points by Act

Act I

Setup
1

Status Quo

1 min1.1%0 tone

Reiko works as a diving technician in the deep ocean trenches while her daughter Misaki prepares for a school trip, establishing their ordinary life in modern Japan.

2

Theme

7 min5.2%0 tone

Professor Tadokoro warns colleagues about seismic data suggesting catastrophic tectonic activity: "When the earth decides to move, there's nothing we can do but accept it and adapt."

3

Worldbuilding

1 min1.1%0 tone

Introduction to key characters: Reiko and her family, pilot Onodera, scientist Tadokoro, and government officials. Establishes Japan's vulnerability to seismic activity and the deep-sea research operation.

4

Disruption

16 min11.8%-1 tone

A massive earthquake strikes during Misaki's school trip, causing widespread destruction. The incident confirms Tadokoro's worst fears about accelerating tectonic instability.

5

Resistance

16 min11.8%-1 tone

Tadokoro presents his catastrophic hypothesis to the government: the Japanese archipelago will sink within a year. Officials debate whether to believe the science or dismiss it as alarmist. Reiko reunites with her traumatized daughter.

Act II

Confrontation
6

First Threshold

33 min24.4%-2 tone

The government acknowledges the threat and launches Project D-Plan to evacuate Japan's population. Reiko volunteers to continue deep-sea research missions to help predict the disaster timeline.

7

Mirror World

40 min29.6%-2 tone

Reiko works closely with pilot Onodera on dangerous underwater missions. Their partnership represents human connection and duty in the face of apocalypse, embodying the film's theme of perseverance.

8

Premise

33 min24.4%-2 tone

Escalating disaster sequences as earthquakes increase in frequency and intensity. The team conducts desperate research missions while the government manages mass evacuations. Reiko struggles to balance her duty to science with protecting her daughter.

9

Midpoint

68 min50.4%-3 tone

Mount Fuji erupts catastrophically, confirming that the sinking is accelerating faster than predicted. The timeline for Japan's destruction collapses from months to weeks.

10

Opposition

68 min50.4%-3 tone

Desperate evacuation efforts as millions flee Japan. Infrastructure collapses, social order breaks down, and international tensions rise over refugee acceptance. Reiko and Onodera continue perilous missions despite mounting casualties.

11

Collapse

101 min74.8%-4 tone

Onodera sacrifices himself in a submarine accident to save Reiko during a critical mission. His death represents the cost of their struggle and the loss of hope as Japan literally crumbles around them.

12

Crisis

101 min74.8%-4 tone

Reiko grieves Onodera's death while Tokyo experiences catastrophic subsidence. She faces the reality that her mission may be futile and contemplates giving up to be with her daughter in their final moments.

Act III

Resolution
13

Second Threshold

108 min80.0%-4 tone

Reiko chooses to honor Onodera's sacrifice by completing their mission. She realizes that even in the face of certain destruction, their data might help humanity understand and survive future catastrophes.

14

Synthesis

108 min80.0%-4 tone

Final evacuation as the Japanese islands collapse into the ocean. Reiko reunites with Misaki and boards an evacuation vessel. Tokyo Bay sinks beneath the waves as the nation faces diaspora and an uncertain future.

15

Transformation

133 min98.5%-4 tone

Reiko and Misaki stand on the deck of an evacuation ship, watching the last remnants of Japan disappear beneath the ocean. Despite everything lost, they hold each other, embodying resilience and the continuation of the Japanese people.