On a Halloween night, due to a series of events, Walter and his brother Gregg, who participated in the Halloween party, crossed the wall of a cemetery called "Eternal Garden" and got lost in a forest called "Lost Forest". , Embarked on a bizarre adventure with his younger brother on the way back home.
In the unknown night of the "Lost Forest", mysterious songs traveled through the forest with the autumn breeze, and two figures returning home were reflected in the half-round bright moon. On the way back home, they met many mysterious people: the woodcutter, the blue robin Beatrix, the mysterious woman Adele.and the beasts wandering in the "Lost Forest".
