As the only true immortal who possesses pure essence energy, Shang Gu has spent countless lifetimes acting as the head of the four true immortals of the ancient world. The four most powerful beings in existence, these true immortals have become gods in the eyes of the mortals who constantly beseech them for help. When commoners encounter difficulties, they will pray to the Gods, but what if Gods meet obstacles? It tells the deep love and hardship between two of the four true Gods, Bai Jue and Shang Gu. Adapted from the novel "Ancient God" (上古) by Xing Ling (星零).