In 48 hours, Typhoon "Poseidon" will make landfall, and 580 people are about to perish in a structurally compromised building. Framed engineer Kijima Shin, armed with his father's blueprints, forces an evacuation using corruption evidence worth 1.3 billion yen, livestreaming as he exposes the company executives' conspiracy. When the building finally collapses, his vengeance fulfilled, he uses the ruins to declare to the world: "Architecture, above all, is the foundation of life itself."