WU Pei-pei and LI Yu-hsuan are destined to be rivals forever! WU Pei-pei and LI Yu-hsuan have been comparing with each other since childhood. They had a crush on each other but later became rivals because of an accident. They both wished each other would disappear from their lives; however, they are neighbors, and they inevitably fall in love. If fighting against each other is a way of communicating and caring, then these quarrelsome lovers are getting closer and growing together. When they gradually start to let go of their competitive and hostile attitudes, they finally start to click.