The four directions and all that lies above and below make up space; the present, the past, and all that lies between make up time. Life in the universe has never been limited to beings with physical bodies and souls. Humanity simply assumes that it is the center of the cosmos, without understanding what the universe is all about.
For thousands of years, the Plainclothes Spirit Investigators have operated as a secret organization, quietly handling cases involving spiritual forces. Behind major accidents that appear to be random, there are often energies beyond human power at work. The Plainclothes Spirit Investigators speak with souls and consort with ghosts and monsters, preserving the fragile balance between the living and the dead.