Goo Ra Ra is a naive rich girl, who dreams of being a great pianist with her father’s love guiding her. But her path becomes rocky when her father passes away, and she finds herself going bankrupt. Being scammed of a home and needing an escape, she goes on a ride where she encounters an accident trying to avoid Sun Woo Joon, a diligent worker trying to meet ends. Being hospitalized with a broken arm and no place to go, guilty Sun Woo Joon decides to take responsibility and take care of her. With Go Ra Ra’s naive personality, she slowly begins creeping into Sun Woo Joon’s heart, while trying to deal with the challenges of living an adult life.