Starring Basil Rathbone and Boris Karloff, Tower of London is a chilling 15th Century melodrama based on the life of Richard III. Sixth in line to the throne, Richard (Rathbone) is an ambitious man who, with the aid of his executioner friend Mord (Karloff), treacherously disposes of the five who stand between him and the crown. Mercilessly this cold-hearted pair torture and kill the heirs in the infamous Tower of London. Not for the faint of heart, this shocking classic grimly recounts the deeds that earned Richard III his place as the most despised monarch in English history and established the Tower as the most dreaded building in the world.