Qian Yun, who has lost his memory, gradually collects "Dream Spirits" who carry each other's emotions and memories by completing tasks related to "Dream Spirits" in Lan Yan's dream world. At the same time, he explores the truth of dreams and fights against nightmare crises, mythological elements, dream nesting, identity puzzles and a sense of fate.
Purpose: to explore the truth of dreams, fight against the crisis of nightmares, and finally make the decision to wake up or not.