A supremely narcissistic rich heir has everything: brains, physique, looks, and money. The person who handles all his company and personal affairs is his secretary, who has been by his side for nine years. One day, Secretary Kim suddenly submits his resignation. When Lee Youngjun learns he's leaving because he wants to get married, Lee Youngjun, who wants him to keep working, proposes marriage to him, only to be rejected. Afterward, Lee Youngjun realizes he seems to have fallen for Secretary Kim, so he begins pursuing him passionately, bringing to light the secrets the two have shared since childhood.
