Now past fifty, Ikumi finds herself driven by an inexplicably intense libido, and with her husband's permission, she immerses herself in masturbation daily. To satisfy her growing desires, her husband enlists the help of a trusted subordinate, setting a new plan in motion. Kondo Iku, captivating as the alluring company president's wife, draws attention with her bold stripping scene as she seduces her husband's employee. As the two become entangled in a whirlpool of desire, anticipation builds for what comes next.