Character Relationship Map: Halo: Nightfall

Characters

• Jameson Locke (played by Mike Colter) — protagonist

  Lieutenant-Commander and ONI operative who leads the mission to Sedra and the dangerous Fragment Alpha. He tracks Covenant infiltrators, retrieves the HAVOK warhead, and survives the ordeal to destroy...

• Arris (played by Alexis Rodney) — protagonist

  A captured alien smuggler who assists the ONI team initially. He later escapes, uses his fingerprint to pilot the cargo ship, and attempts to flee the Fragment Alpha before being killed by Horrigan an...

• Estrin (played by Alexander Bhat) — supporting

  ONI operative who accompanies Locke on the mission to Fragment Alpha. During the retreat from Lekgolos, she slips into a crevasse and perishes after Ramos abandons her.

• Jordan Gaines (played by Sarah Armstrong) — supporting

  Lieutenant supervising Locke's initial operation on Sedra. He is exposed to the alien element during the bombing and is later decontaminated at the Sedrane Colonial Guard hospital.

• Aiken's Daughter (played by Siennah Buck) — supporting
• Mason Hundley (played by Shaun Blaney) — supporting

  Lieutenant assisting in the Sedra operation. He is exposed to the alien element during the initial attack and undergoes decontamination procedures alongside Gaines.

• Aiken's Assistant (played by Eleanor Williams) — minor
• Goodwin (played by Enda Oates) — minor
• Axl (played by Jonathan Harden) — minor

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Aiken's Daughter → Aiken's Assistant (daughter)
• Jameson Locke → Mason Hundley (Professional Field Leader And Supervisor)

  Locke's unit is deployed on Sedra under the supervision of Hundley and another lieutenant during the investigation.

• Jameson Locke → Jordan Gaines (Professional Field Leader And Supervisor)

  Locke and his ONI unit investigate the Sedra infiltration under the supervision of Gaines and another lieutenant.

• Jameson Locke → Goodwin (Professional Mission Commander And Approving Officer)

  Goodwin approves the mission to capture the smugglers and destroy Fragment Alpha, enabling Locke's operation.

• Jameson Locke → Axl (Professional Interrogator And Informant)

  After Axl is violently interrogated by the colonial commander, Locke intervenes and persuades him to reveal the origin of the deadly element.

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Axl → Arris (Social Smuggling Network Associate)

  Axl supplies cryogenic coolant for a bombing, while Arris is later captured as a smuggler transporting material from Fragment Alpha.

• Mason Hundley → Axl (Conflict Common Threat Connection)

  Hundley is exposed to the released element during the bombing linked to Axl's delivery of bomb-making material.

• Jordan Gaines → Axl (Conflict Common Threat Connection)

  Gaines is exposed during the attack caused by the supply chain in which Axl delivers cryogenic coolant to a Covenant operative.

• Jordan Gaines → Mason Hundley (Alliance Operational Partners)

  Gaines and Hundley are both supervising the Sedra operation and are both exposed to the released element during the bombing.

• Jameson Locke → Arris (Conflict Captor And Captive)

  Locke's group captures Arris after tracking the cargo ship's occupants on Fragment Alpha.

• Jameson Locke → Estrin (Alliance Teammate)

  Estrin accompanies Locke as an ONI operative on the Fragment Alpha mission.

Story Analysis

An ONI mission transforms a covert bioweapon investigation into a desperate race to destroy the source before sunrise.

Plot Progression

1. Sedra's Hidden Contamination
2. The Fragment's Secret
3. Landing in the Dark
4. The Cost of Escape
5. Sunrise Over Oblivion