Character Relationship Map: Underwater

Characters

• Norah Price (played by Kristen Stewart) — protagonist

  Norah Price is a mechanical engineer and the central survivor of the disaster. She helps lead the group through the damaged facility and ocean floor, rescues Liam Smith, survives attacks by the creatu...

• Captain Lucien (played by Vincent Cassel) — protagonist

  Captain Lucien is the only person Norah Price, Rodrigo Nagenda, and Paul Abel find near the escape pod bay after the facility is damaged. He proposes traveling to Roebuck, helps rescue Liam Smith, and...

• Liam Smith (played by John Gallagher Jr.) — supporting

  Liam Smith is an engineer who works with Emily Haversham at the control base and helps investigate the escape-pod distress beacon. He is injured by debris, suffers a badly damaged oxygen scrubber, and...

• Emily Haversham (played by Jessica Henwick) — supporting

  Emily Haversham is a biologist who is found with Liam Smith at the control base. She examines the creature recovered from the wreckage and identifies it as an undiscovered species, then travels with N...

Canonical Relationships

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

• Emily Haversham → Liam Smith (Professional Scientific Teammate) — They begin as colleagues working at the control base.

  Emily and Liam are found together at the control base, where they unsuccessfully attempt to contact the surface before joining the escape effort.

Story Dynamics

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

• Captain Lucien → Emily Haversham (Alliance Evacuation Teammate) — They cooperate as members of the emergency escape group.

  Captain Lucien joins Emily and the others in the plan to cross the ocean floor toward Roebuck 641.

• Norah Price → Emily Haversham (Alliance Survival Teammate) — They remain the two central survivors coordinating the final escape.

  Norah and Emily travel together through the ocean-floor facilities, survive the creature nest, and reach the escape pod bay.

• Norah Price → Liam Smith (Alliance Rescue Partner) — Norah repeatedly commits to keeping Liam alive.

  Norah helps save Liam from debris and later agrees to help him walk after his damaged oxygen equipment threatens his survival.

• Captain Lucien → Liam Smith (Alliance Rescue Ally) — Lucien directly protects Liam during a creature attack.

  Captain Lucien pulls Liam out after a humanoid creature drags him into a cave.

• Norah Price → Captain Lucien (Alliance Survival Ally) — They become key survival partners during the evacuation.

  After the escape pods are gone, Norah and Captain Lucien work together with the surviving crew to reach another facility and escape the ocean floor.

Story Analysis

A deep-sea crew fights overwhelming pressure, unknown creatures, and collapsing infrastructure while sacrificing themselves for the survival of others.

Plot Progression

1. Ruins Beneath the Trench — Kepler 822 is damaged and the survivors discover that all escape pods have already been deployed. They gather at the control base and adopt Lucien's plan to reach Roebuck 641.
2. An Unseen Species — The crew descends through extreme pressure and investigates a distress beacon. Liam kills a creature, while Emily identifies it as a previously undiscovered species.
3. The Cost of Crossing — Kepler explodes above the group, damaging Liam's oxygen scrubber. Further attacks reduce the group, but Norah, Lucien, and Emily refuse to abandon Liam.
4. Lucien's Last Stand — A humanoid creature drags Liam into a cave, and Lucien rescues him before sacrificing himself to save Norah. Norah reaches Shepard station and changes her damaged suit.
5. Fire Beneath the Ocean — Norah reunites with Emily and Liam, and they pass through the creature nest at Roebuck. Norah sends the others away and destroys Roebuck to secure their escape.