The dramatic backstory of Hana and Joon Seung, identical twin sisters who will grow up to be central characters in the series. Set in the present day, this special focuses on the young twins’ move to a small town and the events that will one day inspire Hana to join humankind’s first expedition to another planet.

이 시리즈의 제작 과정과 전문가 인터뷰 및 관련 기록 영상을 볼 수 있다.