Who Drives Me Mad?(누가 나를 미치게 하는가)

Lee Jong-du, a salesman who believes that luck will change when he becomes a famous writer. However he is forced to give up after his story failed to win at a spring literature contest. Added to this is the fear that his girlfriend Joo-young will leave him. After Joo-young gets a job Jong-du realizes his mistakes that knows that she will never leave him.