Micro Men: The Unproduced Screenplay

Every one of us is the host to an almost unimaginable array of independent microscopic organisms - such as bacteria, viruses, and fungi - with which we share a symbiotic, mutually beneficial relationship. They have evolved along with the human species, and their survival is the key to ours. There are ten times as many of these microbial cells as human cells in the body. What if these micro-organisms were sentient?