Season 1

(2021)
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Episodes 8

1 Balhae Lunar Research Station

December 24, 2021

51m

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

2 Three Storages

December 24, 2021

47m

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.

3 Cause of Death

December 24, 2021

48m

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.

4 The Truth Comes Out

December 24, 2021

45m

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.

5 Secret Storage

December 24, 2021

40m

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

6 Key to Salvation

December 24, 2021

44m

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.

7 Luna

December 24, 2021

40m

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.

8 The Silent Sea

December 24, 2021

48m

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

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