A story depicting a married woman's heart and body trembling during a hot spring trip. A wife who longs for a child and a hardworking chef husband chasing his dreams gradually drift apart, their intimacy dwindling and anxieties about the future piling up. The married woman steps into an affair-filled journey. When she enters an outdoor bath with a man she's just met, his advances instantly ignite her sensitive body, her breathing turning ragged. Fixating on his erect cock, she passionately sucks him off, then rides him in cowgirl position, violently grinding her hips as if breaking free from something, desperately chasing pleasure. Night and morning, she throws herself into passionate sex to forget her worries, experiencing waves of new emotions.