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

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

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

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

Following Ryong's sudden confession, Eve discovers a hurtful truth unfolding back on Earth. Soon, she learns of an ev...

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

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

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

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

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

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

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

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

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

The consequences of the experiment in space finally manifests, leaving Ryong devastated. Later, Eve learns that her l...

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