Season 1

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  7.4/10349 votes

  Episode 1

  Season 1 Episode 1 - Aired 1/4/2025

  Coming from two different backgrounds, Gong Ryong and Eve Kim embark on a space mission. But trouble strikes after launch, jeopardizing their expedition.

  Director: Unknown

  Writer: Unknown

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  7.6/10330 votes

  Episode 2

  Season 1 Episode 2 - Aired 1/5/2025

  Upon arriving in space, Ryong panics as Eve threatens to ruin his secret mission. Shortly after, a crisis emerges, forcing Ryong to attempt a novel feat.

  Director: Unknown

  Writer: Unknown

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  7.9/10274 votes

  Episode 3

  Season 1 Episode 3 - Aired 1/11/2025

  Determined to carry out the secret mission himself, Ryong tries to circumvent Kang Kang-su. During a space walk, Eve experiences a sudden problem.

  Director: Unknown

  Writer: Unknown

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  7.6/10275 votes

  Episode 4

  Season 1 Episode 4 - Aired 1/12/2025

  With Eve's life in jeopardy, Ryong watches helplessly — as protocol prevents him from saving her. With every passing second, she loses precious oxygen.

  Director: Unknown

  Writer: Unknown

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  7.8/10245 votes

  Episode 5

  Season 1 Episode 5 - Aired 1/18/2025

  Following Ryong's sudden confession, Eve discovers a hurtful truth unfolding back on Earth. Soon, she learns of an even more disturbing reality in space.

  Director: Unknown

  Writer: Unknown

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  7.8/10252 votes

  Episode 6

  Season 1 Episode 6 - Aired 1/19/2025

  Eve discovers an unethical secret, forcing her to act decisively despite Ryong's objection — which drives him to take matters into his own hands.

  Director: Unknown

  Writer: Unknown

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  7.5/10224 votes

  Episode 7

  Season 1 Episode 7 - Aired 1/25/2025

  After Ryong learns the results of his experiment, a potential calamity approaches the crew — threatening his safety and the survival of his work.

  Director: Unknown

  Writer: Unknown

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  8.1/10232 votes

  Episode 8

  Season 1 Episode 8 - Aired 1/26/2025

  Eve risks everything to heroically rescue Ryong, facing treacherous danger. However, returning home seems increasingly improbable.

  Director: Unknown

  Writer: Unknown

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  7.7/10158 votes

  Episode 9

  Season 1 Episode 9 - Aired 2/1/2025

  With Ryong and Eve stranded in space, those on Earth scramble to save them — albeit for different reasons. Park Dong-a steps forward to take the risk.

  Director: Unknown

  Writer: Unknown

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  7.2/10152 votes

  Episode 10

  Season 1 Episode 10 - Aired 2/2/2025

  Despite their promises in space, Ryong and Eve return to earthly realities — facing duty, recovery, suspicions, confessions and lingering longing.

  Director: Unknown

  Writer: Unknown

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  7.1/10118 votes

  Episode 11

  Season 1 Episode 11 - Aired 2/8/2025

  While Ryong and Eve adjust to normal life, Chief Kang requests a detailed report of their time in space — leading them to agonize over their story.

  Director: Unknown

  Writer: Unknown

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  7.0/10121 votes

  Episode 12

  Season 1 Episode 12 - Aired 2/9/2025

  Choi Go-eun confronts Eve after encountering her at Ryong's place. Chief Kang advises Eve not to see Ryong again — despite Eve's true desires.

  Director: Unknown

  Writer: Unknown

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  7.1/10104 votes

  Episode 13

  Season 1 Episode 13 - Aired 2/15/2025

  Chief Kang summons Ryong and Kang Kang-su regarding their forbidden experiment in space. Eve uncovers a painful truth about her past.

  Director: Unknown

  Writer: Unknown

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  6.6/10111 votes

  Episode 14

  Season 1 Episode 14 - Aired 2/16/2025

  A deployed investigative team discovers Ryong's cell phone in space — sparking an inquiry into who is responsible for the unauthorized events there.

  Director: Unknown

  Writer: Unknown

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  8.4/1099 votes

  Episode 15

  Season 1 Episode 15 - Aired 2/22/2025

  The consequences of the experiment in space finally manifests, leaving Ryong devastated. Later, Eve learns that her life is about to change forever.

  Director: Unknown

  Writer: Unknown

• 

  6.4/10125 votes

  Episode 16

  Season 1 Episode 16 - Aired 2/23/2025

  As Eve's new state prevents her from coming back to Earth, Ryong commits to joining her in space. Once there, they debate a risky return to Earth.

  Director: Unknown

  Writer: Unknown