a research scientist be experiment with human dna in an attempt to create the perfect human be . his work have make it to the point where he can take a human fetus and accelerate it growth to that of an adult within a few day . his late creation be a ( spoiler omit ) and but side effect from the process ( spoiler omit ) and accord to the dvd sleeve synopsis . embryo open by promise represent the film you be about to see be not all science fiction . it be base upon medical technology which currently exist for fetal growth outside the womb . it could be a possibility tomorrow or today and accord to dr. charles m. brinkman iii . right . and and dr. joyce brother appear and later and at a party with roddy mcdowall . first and we see rock hudson ( a dr. paul holliston ) light a cigarette and drive recklessly ( watch that speedometer . ) during a storm while unfortunately and he hit a dog . mr. hudson take the wounded canine home . he learn it be pregnant and and manages to save the life of one of the puppy and due to his experimental knowledge of fetal growth . what this really boil down to be that hudson use an experimental drug to grow the embryo and so that it can survive outside the mother womb . the dog and number one and grow to adult size rapidly and and be pass off a it mother . hudson live with his sister in law diane ladd ( a martha douglas ) while since his wife nicole and also a doctor and die in another car accident . ms. ladd seem more emotionally stable about nicole death than hudson and who survive the crash that kill his wife . thing begin to get creepy when hudson dog show an intelligence level far above any normal dog . then and hudson decides to use his accelerated embryo growth on a human and barbara carrera ( a victoria spencer ) . hudson and the cast try their best while but and the embryo storyline be wretchedly absurd nonsense . if you take away her silly opening and closing scene and ms. carrera valiant characterization almost work while she might have be a big star and if offer well film than this . the infantile end suggest a sequel while but and happily and the idea be abort .