

During a perilous 24-hour mission on the moon, space explorers try to retrieve samples from an abandoned research facility steeped in classified secrets.
TV-MA • Drama, Sci-Fi & Fantasy • Series • 2021 • 1 season
Starring: Bae Doona, Gong Yoo, Lee Joon
Created by: Park Eun-kyo, Choi Hang-yong

S1 E1 - Balhae Lunar Research Station
Director Choi's briefing about the mission leaves Song Ji-an displeased. Reaching the research station alone proves no easy feat for the crew.
Dec 24, 2021 • 51m

S1 E2 - Three Storages
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.
Dec 24, 2021 • 47m

S1 E3 - Cause of Death
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.
Dec 24, 2021 • 48m

S1 E4 - The Truth Comes Out
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.
Dec 24, 2021 • 45m

S1 E5 - Secret Storage
Recalling her sister's encrypted message, Ji-an searches the database for Luna. A young intruder and a double-crosser emerge from the shadows.
Dec 24, 2021 • 40m

S1 E6 - Key to Salvation
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.
Dec 24, 2021 • 44m

S1 E7 - Luna
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.
Dec 24, 2021 • 40m

S1 E8 - The Silent Sea
Racing against time as the research station falls under destruction, the surviving crew members decide on the fate of the mission — and their own.
Dec 24, 2021 • 48m
The Silent Sea
During a perilous 24-hour mission on the moon, space explorers try to retrieve samples from an abandoned research facility steeped in classified secrets.
TV-MA • Drama, Sci-Fi & Fantasy • TV Series • 2021