Battery Mommy works at various stuffs such as soap bubble guns, cameras, and thermometers in the nursery. During the children's nap time of one winter day, Battery Mommy finds out the Christmas tree in the nursery is on fire. At the moment, she urgently runs to the fire alarm to safely rescue sleeping children...

An Apartment house with 5 different family members strugging of noises between the floors.... Could ever there be a peace?

"Battery Dad" is in charge of every corner of the house, such as children’s toys, remote controls, and door locks. One day, "Battery Dad" and goes on a trip to a valley with others.