'Plum' is dissatisfied with 'Jeon Bok', a Jeju girl who met her mother on a family trip to Jeju Island. Besides, what are those heart-shaped eyes looking at 'Yoonseok'! When Jeon Bok, his best friend, Yun Seok-i, is taken over by Jeon Bok-i, an angry Ja-doo accidentally knocks over the Dolhareubang, ...