In this BDSM madhouse, a young woman's unusual therapy involves her ass being the sole focus. She's brought in for hardcore deepthroating, asslicking, and being reamed by massive dildos. The bizarre, butt-centric session leaves her gasping for air, her asshole gaping, and her sanity hanging by a thread. The therapist's unconventional methods push her to her limits, blurring the line between pleasure and pain.