Yuri, who works in the sales department, struggles with a marriage plagued by her husband's intense jealousy. One day, she is forced to stay overnight at a nearby inn with her supervisor, Sawaki, due to an unexpected schedule change during a business trip. When her possessive husband finds out, he erupts in furious opposition. With her phone constantly buzzing in her hands, Yuri sighs in distress. Seeing her pain, Sawaki sympathizes and whispers that he can bring her true happiness. Shaken by his words, Yuri is drawn into overwhelming temptation. Torn between loyalty to her husband and the allure of a new relationship, she is caught in an emotional storm—how will she choose?