Mandy was a young man who wore nappies/diapers and plastic pants and considered himself to be a baby girl despite being born a boy. Her life was of necessity, solitary, but she made an online friend - a woman named Brenda - who seemed to understand who she really was inside. Brenda was a sympathetic ear with some new ideas for Mandy to try out and so invited her over for the weekend. Mandy arrived at the front door in her dirty nappy, ready...