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.
Son I-yong
as Nam Gi-dong
Kang So-yeon
as Nam Gyoo-jin
Jung Kwang-woo
as Cha Seung-yeon
Kwon Su-jin
as Park Seon-ho
Jo Geun-jik
as Deputy Director
Seo Hyun-min
as Expedition team head
Byeon Dong-wook
as
