Jiyeon is a 19 year old rich girl who seems to be living life the way her father wants her to. She goes to a private university, is pretty and popular, and  has two best friends she loves very much. However, her life unexpectedly changes when she meets Myungsoo, the messenger at her dad's company. Will Myungsoo make Jiyeon's life better or worse? (This is based on the TV show 'Mi Corazon Es Tuyo')