You are unlucky enough to find a mate to live happily for the rest of your life, or you have some kind of disease that, according to the government, no longer allows you to live as a human being. You receive an instruction in the mail that you must come to the medical center so that there you will be transformed into an animal of your choice, so that after that you can find yourself an animal pair of your kind and reproduce with it. Will you allow yourself to be transformed and live the rest of