Have you ever played Ouija? Does Ouija solve your problems or bring you more problems? "House Cleaner" creates a "ghost space" based on the most real life scenes. This space involves the fate of all characters. To unravel the intricate relationship between people and ghosts, Zhaozi, a house cleaner, must constantly collect ghosts, improve his abilities in the process, search for clues, and solve the Ouija ghosts as the ultimate goal. Can everyone become Zhaozi and solve the puzzles one by one?