A curious bisexual submissive, eager to explore their kinks, is bound and helpless in a dimly lit BDSM dungeon. The dominant femdom trainer, clad in leather and latex, teases the sub with a massive strapon, slapping their ass and thighs with it, leaving red welts. The sub's hole is lubed up, and the trainer slowly pushes the huge plastic cock inside, inch by inch, until the sub is fully impaled. The trainer fucks them hard, humiliating and degrading them, while the sub moans in pleasure and pain.