Character Relationship Map: Lost in Starlight

Characters

• Nan-young (played by Kim Tae-ri) — protagonist

  Nan-young is a scientist whose lifelong dream is to explore Mars and search for microbial life. After being selected for the Fourth Mars Expedition, she undertakes dangerous work on Mars, where a stor...

• Rosa (played by Sharon Kwon) — supporting

  Rosa is involved in the Mars mission's efforts to guide and rescue Nan-young during a violent storm. Communication is disrupted as a tornado approaches, and Rosa tries to start the rover and open its...

• Ji-young (played by An Young-mi) — supporting

  Ji-young is present with the scientific team at the Mars habitat when the group celebrates the sprouting of Amur adonis buds. An emergency interrupts the celebration, and Ji-young is caught in the cri...

• Young Na-young / Detector (played by Jang Mi) — supporting

Canonical Relationships

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

• Nan-young → Young Na-young / Detector (Professional Creator And Instrument) — Nan-young is directly connected to the detector through her scientific work.

  Nan-young shows her boyfriend a detector designed to find the smallest traces of microbial life and describes it as the culmination of her work.

• Nan-young → Ji-young (Professional Expedition Colleague) — They are connected through the Mars scientific and expeditionary environment.

  The opening shows Ji-young caught in an emergency at a Mars habitat while a scientific team struggles to evacuate and maintain contact with HQ. Nan-yo...

Story Dynamics

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

• Nan-young → Rosa (Alliance Rescue Partner) — Rosa supports Nan-young during the expedition's most dangerous emergency.

  Rosa attempts to guide and rescue Nan-young during the Martian storm. She also tries to start the rover and open its hatch while Nan-young is trapped...

Story Analysis

A scientist pursues her Mars dream while love, memory, discovery, and mortal danger pull her between Earth and the stars.

Plot Progression

1. Seeds Beneath Red Soil — A Mars habitat celebrates the sprouting of Amur adonis buds before an emergency disrupts the scientific team. Nan-young later undertakes a dangerous mission to restore an oxygen generator and notices...
2. A Song Across Worlds — On Earth, Nan-young grows closer to her boyfriend through an unfinished song and conversations about Mars. Her observatory memories reveal grief connected to her mother's absence and her childhood exp...
3. The Dream She Hid — Nan-young is secretly selected for the Fourth Mars Expedition. When the secret is discovered, an argument exposes the danger of her lifelong dream and the emotional cost of leaving Earth.
4. Storm Over the Cave — During a violent Martian storm, Rosa and headquarters try to guide Nan-young while interference breaks their communication. Nan-young enters a biomarker-bearing cave and records a report before the st...
5. Air Running Out — Nan-young's damaged helmet leaks oxygen and her level falls rapidly. The detector finds a life trace and a route, while Rosa begins a rover rescue that remains unresolved in the available events.