This plan is randomly selected from the national children, they were 5 years old , the implantation of a special electronic instruments in the heart , wait until after the age of 10 , will be sent to a known as the "center" facility isolation one into the "center" will be to the children a "switch " and tell them : "As long as this switch is pressed , your heart stops beating ."

a sudden , these children are forced to face the overwhelming despair and fear ... can not escape the fact that , gradually eroding the hearts of the children . Said that even if we can hold out only a maximum of two years , it will press the switch ...