Character Relationship Map: Urban Explorer

Characters

• Mallory / Lucia (played by Nathalie Kelley) — protagonist

  Lucia is a nurse among the urban explorers and stays with Denis to care for the injured Kris while Marie and Juna go for help. After Armin arrives, she distrusts him, is injected and tortured, and lat...

• Armin (played by Klaus Stiglmeier) — protagonist

  Armin is a German-speaking man who lives in the underground tunnels and offers the explorers help after Kris is injured. He injects Denis and Kris, deceives the group, and kills Marie and Juna before...

• Mickey / Denis (played by Nick Eversman) — supporting

  Denis is one of the American urban explorers and stays behind with Lucia to help the injured Kris. After Armin injects him, Denis escapes restraints and discovers evidence that Marie and Juna were kil...

• Olympia / Marie (played by Catherine de Léan) — supporting

  Marie is one of the explorers who accidentally takes a photograph that distracts Kris, causing him to fall from a wooden bridge and break his leg. Feeling guilty, she goes with Juna to seek help, but...

• Dante / Kris (played by Max Riemelt) — supporting

  Kris is the explorers' local tour leader. Marie's accidental photograph distracts him as he crosses a wooden bridge, and he falls, breaking his leg. Armin injects him and takes him to his lair, where...

• Haiku / Juna (played by Brenda Koo) — supporting

  Juna is one of the four urban explorers and accompanies Marie when they leave to find help for the injured Kris. The two lose their way in the dark underground passages and do not return. Denis later...

Canonical Relationships

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

• Mallory / Lucia → Dante / Kris (Professional Caregiver) — Lucia uses her medical knowledge to care for Kris after his leg is broken.

  The plot identifies Lucia as a nurse, and she stays behind with Denis to help the injured Kris.

• Mallory / Lucia → Mickey / Denis (Romantic Partner) — Lucia and Denis are romantically attached and emotionally support each other during captivity.

  Before Denis leaves to retrieve the ropes, he and Lucia exchange declarations of love.

Story Dynamics

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

• Armin → Haiku / Juna (Conflict Murderer) — Juna is one of Armin's victims, although the killing occurs before Denis finds the remains.

  Denis finds Juna's earring and then discovers Juna's severed head in a refrigerator.

• Armin → Olympia / Marie (Conflict Murderer) — Armin murders Marie and preserves evidence of her death underground.

  Denis discovers Marie's naked corpse, and the plot states that Armin killed and butchered Marie before the group entered the dark hall.

• Armin → Mallory / Lucia (Conflict Murderer) — Armin directly murders Lucia after preventing her escape.

  Armin removes Lucia from a subway car and kills her by snapping her neck.

• Armin → Mickey / Denis (Conflict Captor) — Armin captures, tortures, and attempts to kill Denis.

  Armin injects Denis, ties him to a metal bed, shoots his shoe, and prepares to gut him alive.

• Mickey / Denis → Olympia / Marie (Alliance Expedition Companion) — Denis is linked to Marie as a fellow explorer and survivor of Armin's attack.

  Denis discovers Marie's corpse after finding Juna's remains and realizes that Armin killed both women.

• Mickey / Denis → Haiku / Juna (Alliance Expedition Companion) — Denis is connected to Juna through the shared expedition and her murder.

  Denis later identifies Juna's earring and discovers her severed head in Armin's underground room.

• Olympia / Marie → Dante / Kris (Social Guilt-Ridden Companion) — Marie feels personally responsible for Kris's broken leg.

  Marie accidentally takes a picture that causes Kris to fall from the wooden bridge, and she feels guilty about his injury.

• Mickey / Denis → Dante / Kris (Alliance Teammate) — Denis acts as part of the expedition team caring for the injured Kris.

  Denis remains with Lucia to help Kris, and the three carry Kris to Armin's lair.

• Armin → Dante / Kris (Conflict Captor) — Armin incapacitates Kris and contributes to his confinement in the underground complex.

  Armin gives Kris an injection, and Kris later wakes inside a trash room before crawling through the tunnels.

• Olympia / Marie → Haiku / Juna (Alliance Teammate) — Marie and Juna cooperate as expedition companions during the search for an exit.

  Marie and Juna go together to search for help after Kris is injured and later enter a dark hall together.

Story Analysis

A subterranean expedition becomes a survival nightmare when an apparent helper is revealed as a murderer who controls Berlin's underground spaces.

Plot Progression

1. Descent Beneath Berlin — The young explorers meet in Berlin and enter illegal subterranean routes seeking the Fahrerbunker and forbidden mural debris. Their expedition changes when Marie's photograph causes Kris to fall and b...
2. Lost in the Dark — Marie and Juna search for help while Lucia, Denis, and Kris remain underground. The groups lose their route, and the appearance of the German-speaking Armin offers uncertain assistance.
3. The False Rescuer — Armin takes the injured Kris to his lair, uses injections, and pretends to call for help. Denis is then drugged, restrained, and forced to recognize that Armin's rescue story is a deception.
4. Evidence of the Butcher — Denis escapes the metal bed and discovers Lucia being tortured. Armin's collection of victims' belongings, Juna's severed head, and Marie's corpse reveal the scale of the underground killings.
5. Sewer of Survival — Armin attacks Denis and kills Lucia after intercepting her subway escape. Kris crawls through the tunnels, escapes through a sewer, and is found the next day while Armin remains ready for another hunt...