After Lin You, an ordinary college student, encountered a strange car accident, he awakened the ability to control "Shadow Eclipse" - a dark force that can swallow light and distort reality. He was drawn into a hidden world called the "Dark World", which is the battlefield for all superpowers and a reflection of the dark side of the real world. In order to pursue the truth behind her sister's disappearance, Lin You joined the "Light of Dawn", an organization that fought against the "Eclipse Order", but gradually discovered that her abilities were closely connected to a disaster that could swallow reality. In the gap between light and shadow, he must learn to master this dangerous power and struggle to survive between truth and betrayal.