The story revolves around 3 main characters. Those are the two sisters and Mrs. Coc. The two children are very active and mischievous. They discover all the things that urban children can do when they go back to the countryside to play and never know about a quiet countryside that still has hidden dangers that need to be avoided. However, to deter them from being foolish, out of control. Mrs. Coc used stories about folk legends to draw valuable lessons for children. However, those stories haunt curious children, are they simply warnings? Or hidden behind it are magical stories of another supernatural world?