After 3 years of struggling to find a job, Kim Donghyuk manages to get hired at the esteemed company, DN group. Not only is it one of the most highly respected corporations in Korea, but it’s famous for having a plethora of sexy women in its workforce. This is everything Donghyuk has ever dreamed of except for just one thing. His boss, aka “the ruffian”, whose nickname stems from the brutal way she treats her subordinates, turns out to be his ruthless high school bully. Will Donghyuk be able to navigate the murky waters of his new office environment?