After a corporate merger, the company is revitalized under a new female CEO. Her merit-based management style dramatically improves working conditions for female employees. Meanwhile, incompetent staff face harsh targets and the CEO's relentless discipline, confronting them with a brutal new reality. Frustrated that traditional training methods fail to reform the rotten male employees, the CEO establishes a new department where office ladies and instructors conduct "rental servant training" for the useless male workers.