Good alien from a dying race must impregnate an Earth woman to avoid extinction of his race. Bad alien whose race helped wipe out good alien's race doesn't want to see this happen.Good alien from a dying race must impregnate an Earth woman to avoid extinction of his race. Bad alien whose race helped wipe out good alien's race doesn't want to see this happen.Good alien from a dying race must impregnate an Earth woman to avoid extinction of his race. Bad alien whose race helped wipe out good alien's race doesn't want to see this happen.