Lee Yong Joon is ambitious, young, handsome, the heir to a family business and already the vice president of a large corporation. He seems like the perfect boss, but in fact, few people can withstand his arrogance and exactingness. Kim Mi So is Yongjun's loyal secretary, the only one who was able to withstand his difficult nature during the nine years of work. Misunderstandings arise when she announces that she wants to retire. What can you do to not let go of your favorite employee! Lee Young Joon takes a radical step and proposes to Mi Seo. His proposal sets off a whole chain of incredible events...