In the Mo~tto Ojamajo Doremi film, Doremi, Aiko, Hazuki, Onpu, and Momoko - the five witches, journey to Doremi's grandfather's residence. While there, they uncover the enigma of the frog stone - an enchanted spot where sorcery once flourished in the former hinterland. Aiko rekindles her affection for grandpa, and Doremi uncovers some history about the mystical realm.