After her husband died, a mother buys a grinding-machine in order to make a living. Initially fascinated by the machine, her son starts getting irritated by its noise. He tries to destroy the machine to regain his childhood.
Overview：After her husband died, a mother buys a grinding-machine in order to make a living. Initially fascinated by the machine, her son starts getting irritated by its noise. He tries to destroy the machine to regain his childhood.
