The universe is launching a planetary civilization competition. Each planet is competing to evaluate the civilization of the planet. Each uses its own strategy to find out what kind of darkness is hidden behind civilization. Yibai lost his memory for no reason. In order to save his fiancé Kermi, he embarked on the road to unlock the master key to the door of memory. He overcame various difficulties and obstacles on the way, reached the other side, and discovered the unknown secret. Who is behind all this, and who is she?
