She is the evil Dominatrix who abuses her female slave. She locks her in a closet and only lets her out after she begs. She verbally humiliates her about her hygiene, binds her in a tub, and cruelly dunks her head under the water. All of these characters are played erotically by Venus O’Hara.
It’s very clever and I love the haunting piano music that accompanies the scenes as it adds to the domination, the cruelty and the intense humiliation.