Mei is building her career in Tokyo, but decides to return to her hometown to marry her boyfriend. Her boyfriend also secures a job at a local publishing company, and they plan to live together. That company is under the Yabuta Group, run by the father of her childhood friend, Rikuko. One day, Mei is lured out of her home by Rikuko—only to realize it was a trap. She is kidnapped and imprisoned.