Two cutting-edge boffins give'birth' to a Neanderthal--the very first ever to walk the earth for several 35,000 years. Part'normal' child, part science experiment, William's'parents' struggle with the perfect way . He is educated from the experiences of love and intimacy Since William grows toward adulthood. But his primitive instincts start to emerge the more he attempts to conform to human expectations, resulting in horrible consequences to him and his nearest and dearest.