A married woman's body swaying in the hot spring, stirring waves within her heart. Her relationship with her husband has grown distant, and he shows no concern as she leaves on this trip. In this vulnerable state, her eyes meet those of a man she's just met, their gazes locking with moistened eyes. Questioning her marriage, she begins seeking new excitement. The encounter during her journey shakes her emotionally, and as they repeatedly crave each other, she confesses she loves being thrust into deeply and intensely. The married woman's passion ignites, unfolding a new romantic affair.