Battery Grandma

Overview

Battery Grandma actively works inside Dong-gu’s grandma’s blood pressure monitor and radio. One summer during his school break, Dong-gu visits his grandma’s place in the countryside. Dong-gu chases a baby wild boar into a cornfield, only to encounter a much larger one. Will Dong-gu’s Grandma and Battery Grandma be able to save him in time?