Thousands of years ago, the gods of the four directions, Qinglong, White Tiger and Suzaku, Xuanwu, were in charge of the four directions. They had lived in harmony for many years. However, Xuanwu changed and fierce battles broke out. There was no winner or lose, and he disappeared from heaven and earth. Thousands of years later, four people were reincarnated, each as an immortal, a demon, or a human being... The world was in chaos again...