Country girl Florence Brown (Carmel Myers) keeps the secret of her invention, an invisible deep-sea light, in a brass box which is being sought by agents of many governments, and they threat... Read allCountry girl Florence Brown (Carmel Myers) keeps the secret of her invention, an invisible deep-sea light, in a brass box which is being sought by agents of many governments, and they threaten her life at every turn. Both she and her invention would have been lost but for the uni... Read allCountry girl Florence Brown (Carmel Myers) keeps the secret of her invention, an invisible deep-sea light, in a brass box which is being sought by agents of many governments, and they threaten her life at every turn. Both she and her invention would have been lost but for the unintended intervention of Vance McPhee (William Russel), a woman-chasing author who leaves t... Read all
