The Silent Sea

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.

★ 6.4

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.

★ 6.8

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.

★ 6.6

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.

★ 6.8

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.

★ 6.6

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.

★ 6.8