Dr. Reza Kamali wants to train a perfect student the hard way by punishing his own son, Sina. Once, afraid of his father, Sina takes refuge in a mysterious washing machine. When Dr. Kamali tries to explain what has happened to his son, no one believes him and they send him to a hospital. But he falls into another mysterious washing machine in the hospital while he was trying to escape. In the mysterious washing machine, a number of students hold a trial for him and punish him by sending the father to his childhood.