Siamese twins, sons of a Corsican nobleman, are separated and hidden just as the entire family is wiped out by a robber baron. Twenty years later the two young men meet. One grew up in Paris, the other sheltered by a family retainer in Corsica. The two brothers have a telepathic link and feel each other's emotions. They once again separate, but this time to confuse and wreak vengeance on the villain responsible for the demise of their kin. Based on a story by Alexander Dumas.