Yuri Sasahara plays Minami Nakano, a married woman who is treated like a housemaid by her husband and feels emotionally neglected, unable to find happiness in her marriage. Seeking to relieve her pent-up frustration, she turns to infidelity. Meanwhile, Saki Miyamoto portrays Tomomi Mizuno, whose husband is constantly away on business trips, leaving her feeling lonely and suspicious of his faithfulness. Filling the emotional void in their lives, both women dive into intense, passionate, and deeply pleasurable experiences.