Bertha, a woman of refined tastes, indulges in her favorite pastime: the art of sadomasochism. Her partner, bound and gagged, awaits her touch in the stark, candlelit room. Bertha, clad in a corset and stockings, runs her fingers along the various implements of pleasure and pain, selecting a wicked-looking whip. She circles her prey, her heels clicking on the hardwood floor, her breath coming in ragged gasps as she anticipates the first lash.