Hannah, a phobic and hypochondriac young woman living alone in her mansion, spends her time chasing dust with her army of rags. Her servant Louise, helps her in this permanent mania. Everything must be clean... Clean... Clean... Tirelessly, the young heroine is always looking for a miracle product. After receiving a promising new disinfectant, without restraint, she tries it on herself, but this experience transports her to an extraordinary world.