Tang Xi, who came from the modern world, loses her memories and is swept into Douluo Dalu by a mysterious fog, where she becomes the younger sister of a child of destiny. After going through all kinds of trials, Tang Xi discovers that she isn’t from Douluo Dalu, and that her arrival there was no accident. Who brought her to this world, and why? Strange dreams, the world within those dreams, Spirit Hall, a mysterious organization watching from the shadows... What kind of story will unfold between them and Tang Xi?