Professor Grant signs a contract with Dr. Selin for the sale of his invention of cold light with the plans for his invention being kept in Grant's apartment. The negotiations are secretly heard by the illusionist Durk, who wants to seize the invention. A few days later Selín is found dead, killed...
The tale of the Venetian gondolier whose desire for revenge following a thwarted love affair leads him to Bohemia. The intricate plot also deals with destinies of other characters, who finally come together in a dramatic encounter at one time and in one place. In his role as screenwriter and...
