The cool and elegant lady is forced to play the role of a humiliated maid, and the gentle president is forced to pretend to be a tyrant prince. She sharpens her knife every night, madly trying to kill him; he flirts with her every day, struggling to win her heart; let's see who will take the high ground and win the first place in this fatal push and pull with laughter and flirting? The two sides only found out that they were involved in a conspiracy during the fight.