The M&A specialist, Robin Haydon, moves to Korea to overtake the Komatu company in Japan. On the morning of the first day of Robin's attendance, he has an encounter with Min Joon by a fender bender. Meanwhile, people in the company are excited about the newly appointed president, 'Robin'. Min Joon finds out that Robin is her new boss, who is the same person from the morning accident she was involved in and feels uneasy. As she is appointed to be Robin's assistant, Min Joon and Robin develop a means for more personal as well as professional interactions. Robin gives Min Joon many difficult and on-the-spot tasks, but Min Joon proves to be very capable and tackles these tasks intelligently, and Robin becomes drawn to her, finding this characteristic of Min Joon to be very attractive. Robin, with his characteristically callous nature, tries to fix the weakness and indecisiveness of Min Joon on love and advises her that love and dating are a technical game.