Strange and unbearable hissing noises...Only some human beings left on the Earth .In a town ,a few terrorized men try to survive.A young couple,Yvette and Philippe ,in their country home ,starts a new life.The wife is murdered ,and Philippe,on his own , tries to pick up human messages on his radio .A group of boys and girls settles in a hut ,near his house.They live together in perfect harmony.Philippe thinks that ,with them,he can re-create a human society.But he does not belong to their circle.The man teaches them how to survive (growing vegetables, driving, health care...) but the children remain indifferent,nay hostile when the adult tries to oppose to them.