Season 1 poster
8 episodes

The Silent Sea - Season 1

First aired Dec 24, 2021Season 1

Browse all 8 episodes in this season, including available images, air dates, runtimes, ratings and episode summaries from TMDB.

Episodes

Balhae Lunar Research Station still

Episode 1

Balhae Lunar Research Station

6.4
Dec 24, 202151 min27 votes

Director Choi's briefing about the mission leaves Song Ji-an displeased. Reaching the research station alone proves no easy feat for the crew.

Three Storages still

Episode 2

Three Storages

6.8
Dec 24, 202147 min16 votes

The crew's initial findings are at odds with their knowledge of the research station. Split into threes, the members set out to look for the sample.

Cause of Death still

Episode 3

Cause of Death

6.6
Dec 24, 202148 min17 votes

Ji-an's body cam captures a startling moment of life and death. Submerged in sweat, Gong Soo-chan shows worrisome signs of an unusual infection.

The Truth Comes Out still

Episode 4

The Truth Comes Out

6.8
Dec 24, 202145 min17 votes

Han Yun-jae updates the director and gets access to a restricted area. The crew learns of the sample's powers and the true motive behind their mission.

Secret Storage still

Episode 5

Secret Storage

6.6
Dec 24, 202140 min17 votes

Recalling her sister's encrypted message, Ji-an searches the database for Luna. A young intruder and a double-crosser emerge from the shadows.

Key to Salvation still

Episode 6

Key to Salvation

6.8
Dec 24, 202144 min18 votes

E2, Ryu Tae-suk and the samples go missing. Seeing a familiar name on the intruder, Ji-an follows her down the vents for answers.

Luna still

Episode 7

Luna

6.8
Dec 24, 202140 min16 votes

Ji-an opens a hard drive that chronicles Song Won-kyung's life and work on the station. Meanwhile, others uncover the remains of the experiment.

The Silent Sea still

Episode 8

The Silent Sea

7.1
Dec 24, 202148 min16 votes

Racing against time as the research station falls under destruction, the surviving crew members decide on the fate of the mission — and their own.