Lost in Starlight begins in 2050 Seoul, a near-future city that feels both futuristic and strangely familiar neon lights pulse beside retro streets, holograms shimmer over old stone bridges, and memories of the past linger in vintage record players tucked away in dusty shops.
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Against this backdrop lives Nan-young, an ambitious astronaut whose dream of exploring Mars has been the compass of her life. From early childhood she was shaped by loss of her mother, the first Korean astronaut on Mars, disappeared during a seismic event on the red planet, leaving behind not only unanswered scientific questions, but deep emotional wounds in her family.
Nan-young is brilliant and capable she aces simulations, understands spacecraft mechanics, and carries a steady resolve yet her superiors repeatedly deny her the mission spot she deserves, citing unresolved trauma as a liability. Her life feels tethered between her past and an unknown future until a chance encounter with Jay, a struggling musician turned mechanic, jolts her out of routine. Jay’s life revolves around repairing vintage audio equipment in a small workshop symbolizing his own unfinished songs and dreams. He’s warm-hearted but carries his own scars, having walked away from a promising music career after the band he once starred in faded into obscurity.
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Their first meeting when Nan-young brings in a sentimental old turntable left to her by her mother is gentle and unplanned. Jay fixes the device with surprising skill and care, sparking a connection rooted in nostalgia, music, and hope. Through shared glasses of street food noodles, long walks over Seoul’s submersible bridges, and evenings spent listening to vinyl under retro-futuristic skies, their bond deepens.
Each moment marks a tender contrast between the vastness of the cosmos and the quiet warmth of Earth-bound intimacy from bustling city plazas to quiet rooftops where stars pierce the night.
But life, like the vast universe it inhabits, follows a course beyond simple human desires. When Nan-young is finally selected for a Mars mission, a second chance she has fought for her entire life, she is forced to face the most brutal kind of separation: leaving behind the person who has become her anchor on Earth.
The distance between them measured in millions of kilometers becomes a metaphor for the emotional expanse they must now navigate. The film explores not just the logistical challenges of interplanetary love, but the emotional geography of separation: late-night messages, interruptions in communication across light-minutes, and the ache of celebrating victories from opposite ends of the cosmos.
What makes Lost in Starlight more than a standard space romance is its use of music and retro-futuristic visuals as narrative force. Jay’s workspace being cluttered with old speakers, crackling vinyl, and tactile reminders of the past reflects a desire to hold onto what gives life texture. Nan-young’s journey through space, by contrast, represents the uncharted expanses of possibility and loss. Their story becomes a layered dialogue between memory and ambition, between the familiar warmth of human connection and the cold wonder of the universe.
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Lost in Starlight balances its romantic heart with thoughtful world-building: Seoul in 2050 feels alive, full of holographic art installations, retro-styled cafes, and futuristic infrastructure that both isolates and connects. The soundtrack underscores this blend of old and new, mixing futuristic soundscapes with hints of warmth and nostalgia that define both characters’ lives.
In its final act, the film does not opt for a simplistic “distance conquered” resolution; instead, it offers a meditation on sacrifice, growth, and the enduring nature of connection even when separated by millions of kilometers and the unimaginable void of space.
Director: Han Ji-won
Voice Cast: Kim Tae-ri as Nan-young, Hong Kyung as Jay, Sharon Kwon, Ahn Young-mi, Kang Goo-han, David John Robbins
Runtime: 96 minutes
