Synopsis

In the near future, South Korea's first crewed mission to the moon ends in a tragic disaster when an explosion occurs on board. Five years later, a second human spaceflight is launched successfully but a strong solar wind causes it to malfunction. One astronaut, Sun-woo (Doh Kyung-soo) is left stranded in space. Facing another fatal catastrophe, the Naro Space Center turns to its former managing director Kim Jae-guk (Sol Kyung-gu) to help bring Sun-woo back home safely.

Cast

• Sol Kyung-gu as Kim Jae-guk, the former head of the space center.
• Doh Kyung-soo as Hwang Sun-woo, a space crew member.
• Kim Hee-ae as Yoon Moon-young, the general director of the NASA space station.
• Jo Han-chul as the Minister of Science and ICT.
• Park Byung-eun as Jeong Min-gyu, the current head of the space center.
• Choi Byung-mo as Oh Kyu-seok, vice Minister.
• Hong Seung-hee as Han-byeol, an intern working with Jae-guk and the Astronomical Observatory Team at Sobaeksan Observatory.

Special appearance

• Kim Rae-won as Lee Sang-won, The crew aboard our ship with Hwang Sun-woo. When he is return to Earth after the mission, his wife is going to give birth, and he is thinking about the name of his child. He dies on duty.
• Lee Yi-kyung as Cho Yoon-jong, A member of the crew who boarded our ship with Hwang Sun-woo. He dies on duty.
• Lee Sung-min as Hwang Kyu-tae, Hwang Sun-woo's father and participated in the Naraeho project with Jae-guk five years ago.
• Park Yoo-ra as Announcer