'Plum' met on a family trip to Jeju Island. My mother's daughter Jeju girl 'abalone' is dissatisfied. Besides, what's with those heart eyes looking at 'Yun-seok'?
Let Jeon Bok take over his best friend Yoon Seok. Angry, Jadu accidentally knocks over Dol Hareubang. 'Barley', which was sealed with a curse long ago, awakens.
Those who were hit by the dolhareubang beam shot by the barley turned to stone and hardened. Jadu and her friends set out to find a way to undo everyone…
Let's go to Jeju Island! Let's go! A fantastic adventure of the cheerful hero Plum! What is the super secret that the fate of Jeju Island is at stake?
