Season 1
(2021)
Cast
as Song Ji-an
as Han Yun-jae
as Ryu Tae-suk
as Hong Ga-young
as Gong Soo-hyuk
as Kim Hee-sun
as Gong Soo-chan
as Lee Ki-soo
as E1
as E2
as Mr. Hwang
as Song Won-kyung
as Director Choi
as Kim Jae-sun
as Luna
as NMC Doctor
as Han Ha-jin
as Young Song Ji-an
as Young Song Won-kyung
Episodes
Balhae Lunar Research Station 6.3
December 24, 2021
Director Choi's briefing about the mission leaves Song Ji-an displeased. Reaching the research station alone proves no …
Three Storages 6.5
December 24, 2021
The crew's initial findings are at odds with their knowledge of the research station. Split into threes, the members se…
Cause of Death 6.5
December 24, 2021
Ji-an's body cam captures a startling moment of life and death. Submerged in sweat, Gong Soo-chan shows worrisome signs…
The Truth Comes Out 6.7
December 24, 2021
Han Yun-jae updates the director and gets access to a restricted area. The crew learns of the sample's powers and the t…
Secret Storage 6.6
December 24, 2021
Recalling her sister's encrypted message, Ji-an searches the database for Luna. A young intruder and a double-crosser e…
Key to Salvation 6.5
December 24, 2021
E2, Ryu Tae-suk and the samples go missing. Seeing a familiar name on the intruder, Ji-an follows her down the vents fo…
Luna 6.5
December 24, 2021
Ji-an opens a hard drive that chronicles Song Won-kyung's life and work on the station. Meanwhile, others uncover the r…
The Silent Sea 6.7
December 24, 2021
Racing against time as the research station falls under destruction, the surviving crew members decide on the fate of t…