Part 5/9:
As the story unfolds, the narrative takes an outrageous turn when it's revealed that all previous events occurred inside the subconscious of James, a long-captured serial killer. An amazed audience grapples with the reality that this journey through horror is merely a reflection of James’ tormented mind.
Eager to stem the chaos, Chan, a psychotherapist enlisted by military authorities, endeavours to navigate through James’ psyche to extract information regarding the whereabouts of Sierra, his wife, who may still be alive. Here, the entire storyline shifts perspectives, linking the past experiences of James with his tortured psyche and the tunnel metaphor that symbolizes his despair.