A married woman's heart and body tremble like ripples on hot spring water. Living a blissful newlywed life with her husband, she once enjoyed peaceful, intimate days together—until rumors of his infidelity reached her ears, leaving her deeply wounded. Terrified of uncovering the truth, she cannot bring herself to confront him. Seeking escape from her pain, she surrenders herself to a man she just met, immersing in depraved acts, gradually freeing both her mind and body. Under the guise of a hot spring getaway, she begins to express her emotions more deeply and honestly than ever before.