Set in a future Earth that has undergone desertification, The Silent Sea is the story of the members of a special team sent to secure a mysterious sample from an abandoned research facility on the moon.
Season One of The Silent Sea premiered on December 24th, 2021. This season contains Eight episodes.
S1E1 - Balhae Lunar Research Station
2021-12-24
Director Choi's briefing about the mission leaves Song Jian displeased. Reaching the research station alone proves no easy feat for the crew.
S1E2 - Three Storages
2021-12-24
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.
S1E3 - Cause of Death
2021-12-24
Jian's body cam captures a startling moment of life and death. Submerged in sweat, Gong Soochan shows worrisome signs of an unusual infection.
S1E4 - The Truth Comes Out
2021-12-24
Han Yunjae 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.
S1E5 - Secret Storage
2021-12-24
Recalling her sister's encrypted message, Jian searches the database for Luna. A young intruder and a double-crosser emerge from the shadows.
S1E6 - Key to Salvation
2021-12-24
E2, Ryu Taesuk and the samples go missing. Seeing a familiar name on the intruder, Jian follows her down the vents for answers.
S1E7 - Luna
2021-12-24
Jian opens a hard drive that chronicles Song Wonkyung's life and work on the station. Meanwhile, others uncover the remains of the experiment.
S1E8 - The Silent Sea
2021-12-24
Racing against time as the research station falls under destruction, the surviving crew members decide on the fate of the mission — and their own.
Bae Doona
as Song Ji-an
Gong Yoo
as Han Yun-jae
Lee Joon
as Ryu Tae-suk
Kim Sun-young
as Hong Ga-young
Lee Moo-saeng
as Gong Soo-hyuk
Lee Seong-wook
as Kim Hee-sun
Jeong Sun-won
as Gong Soo-chan
Choi Young-woo
as Lee Ki-soo
Cha Rae-hyung
as E1
Yoo Hee-je
as E2
Yoo Sung-joo
as Mr. Hwang
Kang Mal-geum
as Song Won-kyung
Kil Hae-yeon
as Director Choi
Heo Sung-tae
as Kim Jae-sun
Kim Si-a
as Luna
Choi Hee-jin
as NMC Doctor
Kim Bo-min
as Han Ha-jin
Kang Ji-woo
as Young Song Ji-an
Gong Jin-seo
as Young Song Won-kyung