In that distant and mysterious world, the underground, the ground, and the sky are like strict barriers that divide mankind. The people in the sky, like gods, rule cruelly under the guise of religion. They absorb the rays of the sun and have extraordinary bodies, but no natural perception. They are few in number and have few children. The people of the land are in between. They are strong during the day and draw energy from animals and plants. Their ordinary lives are also controlled by the sky. The underground clan is the saddest. They live at night and day, eating black minerals for a living. They have keen senses but weak bodies. They struggle in the darkness, unaware that the existence of the sky people is the source of the shackles of fate. In that mysterious and turbulent continent, Li Xiao, a young man from a small town, originally lived a stable life, dependent on the gentle and kind sister Mu. However, overnight, disaster struck, the giant massacre raged, Sister Mu died, and the tranquility was completely broken.
Po Xiao was struggling on the edge of life and death, and witnessed the appearance of the red messengers Shen Yuyan, Liu Yanli and others who seemed to be saving but actually had hidden secrets. They controlled the situation with their extraordinary strength and bewitched the grieving townspeople. There seemed to be ulterior motives hidden behind them. Although Po Xiao saw through his hypocrisy, he was unable to resist and was filled with sadness and anger. Places for further education and military service, along with a letter of introduction containing hope. Po Xiao resolutely embarks on an unknown journey. What kind of hardships will he experience in a strange place? Can you tap into your unlimited potential and grow into a strong enough person to fight the darkness and uncover the conspiracy? Following his footsteps, a passionate legend about growth, revenge and protection slowly begins. Let's see how he overcomes obstacles in a turbulent world and writes his own heroic epic.