At Vermilion clinic, male patients are progressively turned into female beings through a list of medical procedures. Today Doctor Elis Euryale will complete a double sounding, digging deep into the urethra of her patient. He is tightly tied up and gagged, so that he doesn't bother her while she is performing this essential medical intervention. She starts the procedure by cutting through his stockings with scissors, and by shutting him up with her shiny latex-gloved hands as the temptation of whining and crying is hard to resist. Then she will insert the first sound, then a second and a third together, dilating his urethra, digging into his flesh, non stop until he sully surrenders to her medical authority, achieving the operation...