Season 1

• 

  6.7/10444 votes

  Episode 1

  Season 1 Episode 1 - Aired 5/12/2023

  5-8 investigates the construction of a new district in post-apocalyptic Korea. Sa-wol and Seul-ah experience an unexpected attack.

  Director: Unknown

  Writer: Unknown

• 

  6.6/10334 votes

  Episode 2

  Season 1 Episode 2 - Aired 5/12/2023

  Seol-ah begins to investigate the recent tragedy. Sa-wol grapples with guilt. 5-8 discovers a dark scheme taking place in the shadows.

  Director: Unknown

  Writer: Unknown

• 

  7.0/10324 votes

  Episode 3

  Season 1 Episode 3 - Aired 5/12/2023

  5-8 warns Seol-ah about the chilling facts surrounding her investigation. Sa-wol partakes in an intense tournament in the hopes of becoming a deliveryman.

  Director: Unknown

  Writer: Unknown

• 

  7.1/10315 votes

  Episode 4

  Season 1 Episode 4 - Aired 5/12/2023

  Sa-wol advances to the final round. Ryu Seok reveals his disturbing plans for the upcoming migration, despite his father's opposition.

  Director: Unknown

  Writer: Unknown

• 

  6.8/10294 votes

  Episode 5

  Season 1 Episode 5 - Aired 5/12/2023

  In the aftermath of Ryu Seok's ploy, 5-8 plans to take him — and Cheonmyeong — down. Having finally achieved his dream, Sa-wol takes up his first mission.

  Director: Unknown

  Writer: Unknown

• 

  6.9/10317 votes

  Episode 6

  Season 1 Episode 6 - Aired 5/12/2023

  Confronted with a crisis, Seok executes his endgame. 5-8 and Seol-ah team up to stop Cheonmyeong once and for all.

  Director: Unknown

  Writer: Unknown