A scientist who joins an elite lunar mission to retrieve a sensitive sample from the abandoned Balhae Station. Her sister died at the facility five years prior, and she later discovers that higher authorities have concealed the truth about the fatal incident and the nature of the sample.
Siblings bound by blood and legacy, with Ji-an's mission fundamentally driven by her sister's disappearance and research.
Professional teammates who evolve into deeply trusted allies navigating the station's dangers together.
Initial pursuit of a station intruder transforms into a cooperative search for hidden truths and survival.
Top-down authority figure whose directives clash with Ji-an's growing skepticism and independent investigation.
Crew member whose deteriorating health introduces urgency and moral weight to the team's survival efforts.
Reliable crew member assisting Ji-an's exploration until critical mission complications disrupt team operations.
Initially working together, their separation drives Ji-an into a solo pursuit to locate missing crew and samples.
Allied relationship marked by shared risk and concern over Gong's deteriorating condition.
Explore the full interactive character relationship map of The Silent Sea