The narrative centers on a fuel tanker crash that traps holiday travelers in a 9-kilometer-long passage. This scenario serves as a crucible for human behavior:
The tunnel functions as more than just a physical setting; it is a representing a transition between life and death: The Tunnel – Trappola nel buio
A primary theme of the film is the . Norway's geography necessitates over 1,100 tunnels, many of which lack emergency exits or advanced ventilation systems. The film opens with the stark reality that safety in these tunnels is based on the "self-rescue principle"—the idea that, in a crisis, individuals are ultimately responsible for their own survival. This creates a profound irony: the very structures built to connect society also serve as potential death traps where the individual is suddenly and violently isolated. The Self-Rescue Principle and Collective Morality The narrative centers on a fuel tanker crash