The film takes three "world" forms as the background, namely, the spatial world of entity, the multidimensional world of fractal, and the world of logic (human consciousness). The transformation and overlapping of the three world forms is a dialectical statement of entity and vacuum, space and consciousness, that is, "is there a vacuum in the entity world, or is the entity world surrounded by vacuum", "Is space enveloping consciousness, or does space exist in consciousness".