Inspector Belbeau, a tenacious detective, pursues a harrowing string of violent killings tied to the elusive "Giant of Geneva." His investigation collides with Victor Frankenstein, whom he briefly suspects of orchestrating the atrocities. As the case unfolds, Belbeau emerges as an unrelenting authority figure, driven to unearth the truth, mirroring the archetype of the dogged lawman.

When the creature reemerges, Belbeau spearheads a coordinated hunt with Geneva’s police, yet his meticulous efforts falter against escalating carnage—multiple fatalities and the creature’s fiery self-destruction. His posthumous narration, framed after his own demise, bookends the tragedy.

In the aftermath, Belbeau stands at the creature’s gravesite, grappling with the fallout of Victor’s ambition. His role transcends procedural duty, anchoring the narrative’s retrospective exploration of morality, creation, and consequence.