Director Choi's briefing about the mission leaves Song Ji-an displeased. Reaching the research station alone proves n...

The crew's initial findings are at odds with their knowledge of the research station. Split into threes, the members ...

Ji-an's body cam captures a startling moment of life and death. Submerged in sweat, Gong Soo-chan shows worrisome sig...

Han Yun-jae updates the director and gets access to a restricted area. The crew learns of the sample's powers and the...

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

E2, Ryu Tae-suk and the samples go missing. Seeing a familiar name on the intruder, Ji-an follows her down the vents ...

Ji-an opens a hard drive that chronicles Song Won-kyung's life and work on the station. Meanwhile, others uncover the...

Racing against time as the research station falls under destruction, the surviving crew members decide on the fate of...