After her husband's tutoring school went bankrupt, plunging her into financial hardship, a married woman turned to a former colleague and began working as an instructor at a prep school. Though promised a high signing bonus and annual salary, she soon discovered a shocking condition hidden in the contract: to be hired, she was required to sign a "pledge agreement" containing deeply humiliating clauses for a woman. Desperate to support her family, she agreed. But that was only the beginning—she was then subjected to grueling trials including remote-controlled simulation lessons, spanking, and mixed-gender bathing. What choices will she be forced to make in this harsh environment?