The Secret of the Mothers When a child is discovered living with Bonobo Apes in the jungles of the Congo, no one knows her secrets. Delilah's mother escapes from a German compound in Africa by killing the scientist responsible for her state of pregnancy. Ten years later, Delilah becomes a ward of the Brighton Foundation where she is first introduced to human behavior by a religious fanatic; later she is transferred from that facility and learns and confronts the evils of the foundation's head and her secrets of human experimentation and genetic manipulation emerge. The question remains: Who is Delilah Cross?