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. Air Date : 24th-Dec-2021

Director Choi's briefing about the mission leaves Song Ji-an displeased. Reaching the research station alone proves no easy feat for the crew. Air Date : 24th-Dec-2021  Read More

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. Air Date : 24th-Dec-2021  Read More

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. Air Date : 24th-Dec-2021  Read More

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. Air Date : 24th-Dec-2021  Read More

Recalling her sister's encrypted message, Ji-an searches the database for Luna. A young intruder and a double-crosser emerge from the shadows. Air Date : 24th-Dec-2021  Read More

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. Air Date : 24th-Dec-2021  Read More

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. Air Date : 24th-Dec-2021  Read More

Racing against time as the research station falls under destruction, the surviving crew members decide on the fate of the mission — and their own. Air Date : 24th-Dec-2021  Read More