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.
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.
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.
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.
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.
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.
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.
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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