 An ape, turned near human by Dr. Coriolis and given the name  Balaoo , is smitten by the beauty of Coriolis  niece, Madeleine. Being inquisitive, though, he runs off, getting into mischief, and falls in with a poacher who saves his life. Acting now as his slave Balaoo kills a man for the poacher, but balks on his orders to kidnap Madeleine, deciding instead to set a trap for the poacher.