Synopsis: The crazy romance drama is about a man who pretends to have amnesia when he is told he will be murdered and a woman who pretends to be his fiancée when she is told she doesn’t have much time to live. Noh Go Jin is the CEO of GOTOP and the top math instructor in the country. Lee Shin Ah is Noh Go Jin’s secretary with zero presence. She is at the top of the company when it comes to sincerity and responsibility, but she is so quiet, introverted, and hopeless at bragging that she seems non-existent.No Go Jin is the most popular mathematics instructor in the private education field and the CEO of GOTOP Education. Even though he has only a high school level education, he has achieved all of his success due to his extreme intelligence. He seems like a perfect man with a handsome appearance, high IQ, and wealth. He is also narcissistic. One day, he is suddenly warned that he will be murdered. Lee Shin A works as No Go Jin’s secretary. She is a diligent and responsible employee. Due to her quiet and introverted personality, she has little presence with her boss No Go Jin and her colleagues at work. Her colleagues begin to recognize her, because she has worked for the notorious No Go Jin for more than 1 year. She then learns that she does not have much time left to live.