Mission gone wrong

Shen Qingqiu (Jiu) and Shang Qinghua go on a seemingly ordinary supply mission together. When an unexpected situation arises, Shen Qingqiu is deaged and Shang Qinghua comes to terms with the world he has created and the characters who live in it. Along the way Shen Qingqiu's inner child is healed. Eventually, they both find love in a once hopeless place.