Despite being popular among others, Eunji was a troublemaker who hated dealing with others. The only exception she had was with her tutor, who she developed feelings for after a long time. Eunji felt heartbroken when her tutor had left from Korean to America without saying a word to the latter. Not wanting her daughter's grades to fall, her mother arranged for a new tutor for Eunji. Eunji soon develops a bond with the new tutor, maybe even a stronger one than what she had with her old tutor. But how will Eunji handle things when she sees her old tutor soon coming back to her life?