Azu lived a peaceful life married to her kind husband. One day, her husband's father, who had lost contact for years, suddenly showed up. Her husband resented his father for abandoning his mother in the past and refused to let him stay. But Azu, feeling compassion for the unemployed man with nowhere else to go, convinced her husband to let his father stay just for one week. That night, while Azu was doing housework, her father-in-law suddenly attacked her. Her life changed in an instant. Terrified by her father-in-law's assault, Azu struggles to protect her marriage and preserve her family's bonds, leading to a tense and gripping story.