Ahn Ji-yeon was a soft girl born in 1988, a new star who just entered the entertainment industry. She became famous with a TV series when she debuted. Song Joong-ki, a beautiful boy born in 1985, entered the entertainment industry in 2008 by starring in the movie "Frost Flower Shop". What kind of sparks will be sparked when two people who seem to have nothing to do with each other meet. What kind of chemical reaction will she have when her emotional world is blank and she meets him who is responsible and responsible?