
The Silent Sea
고요의 바다
In a perilous 24-hour mission, space explorers risk everything to uncover secrets on the moon. But what they find will change humanity forever.
During a perilous 24-hour mission on the moon, space explorers try to retrieve samples from an abandoned research facility steeped in classified secrets.
Editorial mood guide by WatchMoodly Editorial Team · Base catalog metadata via TMDB.
7.6/10 avg · 700 ratings
Mood Rationale & Viewing Guide: Should You Watch The Silent Sea?
Within our mood classification system, The Silent Sea aligns strongest with a thriller / sad / chill viewing mood (edge-of-your-seat suspense, mystery, and psychological depth). Key tonal signals include dark mood, sci fi thriller, must watch, underrated gem, slow burn, strong female lead, making it a strong pick when you want a story driven by those themes without spoilers.
Watch If…
- •You want a drama, sci-fi & fantasy, mystery k-drama released in 2021.
- •You enjoy themes centered on dark mood, sci fi thriller, must watch, underrated gem.
- •You want a self-contained story that matches your current mood.
Skip If…
- •You are looking for a purely lighthearted, zero-stress comfort watch without dark or tense themes.
- •You only watch completed stories and prefer not to wait for upcoming episodes.
Official Trailer

Official Streaming Platforms
Frequently Asked Questions About The Silent Sea
Where can I watch The Silent Sea (2021) legally online?
The Silent Sea is available through official platforms including Netflix. Use the streaming links on this page to open the licensed release directly.
What mood and genres does The Silent Sea fit best?
The Silent Sea is classified under Drama, Sci-Fi & Fantasy, Mystery and best matches a thriller or sad or chill mood, featuring elements of dark mood, sci fi thriller, must watch, underrated gem, slow burn.
How many episodes does The Silent Sea have?
The Silent Sea (2021) is currently marked as ongoing.
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