"Battery Dad" can be found in every corner of the house such as children’s toys, remote controls, and door locks.
One day, "Battery Dad" goes on a trip to a valley with others.
While having fun, a sudden downpour caused the valley to flood and everyone was stranded.
"Battery Dad" tries to power the flashlight with all his might so that people can be safely rescued.
But the constant rain is putting him in danger…...