Kidong is an exploration crew member of ASA (not NASA), aka Asia Space Administration. He leaves ASA to raise his daughter, Kyujin, after his wife and colleague, Sunho, dies during childbirth. One day, he has a mysterious experience meeting Sunho from a different dimension and decides to go back to space to search for her. He boards the secret spacecraft, Super Nova, based on the blueprints left behind by Sunho.

Cast

Son I-yong

Nam Gi-dong

Byeon Dong-wook

Kang So-yeon

Nam Gyoo-jin

Jung Kwang-woo

Cha Seung-yeon

Kwon Su-jin

Park Seon-ho

Jo Geun-jik

Deputy Director

Seo Hyun-min

Expedition team head