Rina, a 31-year-old married woman, is a middle school teacher. She is serious and meticulous by nature, dedicating herself passionately to education and striving every day to positively influence her students. However, her seriousness and strictness sometimes bring immense stress upon herself. Struggling to balance work and family life, she grows increasingly exhausted from her daily routine. Gradually, she begins to desire an escape from this monotonous existence. Then, one day, her ordinary life suddenly changes forever. She is kidnapped and imprisoned by an unknown assailant. Drugged and rendered unconscious, she is assaulted, and those seven days become a pivotal turning point in her life. A shocking story where the terror lurking within everyday life intertwines with abnormal pleasures beyond imagination.