《Prologue》

Seung Ji-Hyo takes on a guarded demeanor after returning home from years of training. She set her sights on achieving her goal, which was to find a solution to end her suffering. With the support of her father, she joined a team, but she has her doubts whether she will still pursue this goal after getting to know her teammates. Despite the numerous unknown obstacles that lie ahead, she wonders what it will take for her to reach the horizon.