The body and heart of a married woman tremble during a hot spring trip. Dissatisfied with her relationship with her husband, she can no longer suppress her desire for freedom and surrenders her heart to a man she's just met. Her conservative husband resents her spending time with friends and work, causing the distance between them to grow day by day. Amidst this, she begins to awaken and release the hidden desires buried deep within her soul during the hot spring journey. Her feelings as a married woman, rebelling against the constraints of her marriage, ignite a new affair. Soaking in the warm waters, she bares her true self.