Adult performers portray this taboo family-role scenario. Three years into her marriage, her husband's parents move overseas for work, leaving her to look after his adult younger brother, Yuji, who remains in Japan. Frustrated that Yuji skips prep school to make movies, her husband asks her to secretly dispose of all his filming equipment. Yuji and his adult friends had planned a shoot over the next holiday and fly into a rage when they discover what she did. They ignore her repeated apologies, attack her, tear off her clothes, and record her on camera...