With the help of futuristic technical inventions a private detective investigates a bizarre murder case involving mysterious messages delivered in a small black box by the killer.
Did You Know?
The release date often found in film reference books and some trade listings (March 14, 1915) is incorrect. The correct release dates for this serial are Chapter 1: March 8, 1915, Chapter 2: March 15, 1915, etc. (a chapter each week, with release dates 7 days apart). See Moving Picture World Feb 20, 1915 pages 1080 & 1081 or Moving Picture World April 10, 1915 pg. 316. See more