With the help of a time machine capable of pulling any objects from the past, a Neanderthal child is delivered to the present. He becomes the center of life of the world community, scientists do not move away from the Neanderthal. But the alien from the past is just a child, deprived of parents, he needs care and love, so the best nanny is entrusted with taking care of him. Science does not stand still, and soon more daring and interesting experiments for scientists become possible, and the Neanderthal becomes a nobody necessary, they are going to send him back to the distant past. But during the time that the nanny spent with him, she managed to become attached to him and fall in love with him. Now she will never give up her unusual son...