Mona Wales, the stern dominatrix, chains her latest slave, Syren De Mer, to a St. Andrew's cross. Syren, bound and vulnerable, awaits her punishment. Mona teases Syren's ass with a thick, black butt plug, making her squirm and moan. Syren's pussy glistens with arousal as Mona trails a whip along her curves. Mona switches to a fat, veined dildo, ramming it into Syren's ass, making her scream in pleasure-pain. She alternates between fucking Syren's ass and pussy, leaving her a quivering, anal-orgasming mess.