Character Relationship Map: Black Light

Characters

• Yves Guyot (played by Patrick Poivey) — protagonist

  Air France engineer and the film's protagonist who investigates a fatal police blunder at CDG airport to secure testimony from a marginalized witness and expose institutional cover-ups.

• Ghislaine Guyot (played by Inês de Medeiros) — protagonist
• Commissioner London (played by Charlie Bauer) — supporting

  Senior police commander responsible for managing the institutional fallout of the airport homicide while navigating intense political pressure from rising terrorist attacks in Paris.

• Inspector Cadin (played by Gilles Ségal) — supporting

  Police inspector assigned to the airport homicide case, likely prioritizing institutional reputation and procedural compliance over uncovering the full truth.

• Judge Berthier (played by Roland Bertin) — supporting

  Judicial official overseeing the legal proceedings surrounding the homicide and the administrative expulsion status of the Malian eyewitness.

Key Relationships

• Ghislaine Guyot → Judge Berthier (Professional Legal Advisor)
• Ghislaine Guyot → Inspector Cadin (Social Acquaintance)
• Ghislaine Guyot → Commissioner London (Social Acquaintance)
• Commissioner London → Judge Berthier (Alliance Institutional Partner)
• Commissioner London → Inspector Cadin (Power Commander)
• Yves Guyot → Judge Berthier (Professional Legal Petitioner)
• Yves Guyot → Inspector Cadin (Conflict Obstructing Officer)
• Yves Guyot → Commissioner London (Conflict Adversary)
• Yves Guyot → Ghislaine Guyot (Family Spouse)

Story Analysis

A procedural thriller tracking an engineer's relentless pursuit of truth against institutional cover-ups and societal fear.

Plot Progression

1. The CDG Incident
2. Pressure & Paranoia
3. The Witness Quest
4. Truth Exposed