In the dimly lit dungeon, a dominant mistress welcomes her new sissy slave, eager to transform him into her perfect, pantied plaything. With a playful smack, she commands him to don a delicate pair of lacy panties, feeling the fabric against his skin. The slave, now in character, preens and poses, reveling in the unfamiliar sensation. The mistress, filming the scene in POV, guides her sissy's hands over his curves, teaching him to appreciate his new form. As they progress, the slave's growing arousal tents the panties, betraying his excitement.