A mysterious evildoer terrifies the French Riviera. That mysterious character, which is hidden under the personality of James Pearce, a diamond-maker, calls himself The Black X. This time, the Black X has noticed the rich jewels of a celebrated singer and, in the company of her henchmen, is preparing to carry out the great robbery.

• Release Date: 1915-07-12
• Rating: 6.0
• Votes: 2
• Popularity: 0.3536