A federal investigator is called in by authorities to assist in solving the disappearance of Dr. Kittridge, a noted submarine inventor. Kittridge was kidnaped and accidentally killed by a maniacal murderer known only as the Mysterious Mr. M.This classic cliffhanger from Universal Pictures is available for the first time from a 2K high-definition restored master, and produced from the original studio 35mm film elements!
Chapters Include:
- When Clocks Chime Death
- Danger Downward
- Flood of Flames
- The Double Trap
- Highway Execution
- Heavier than Water
- Strange Collision
- When Friend Kills Friend
- Parachute Peril
- The Human Time-bomb
- The Key to Murder
- High-line S
Bonus Materials:
- Classic Cartoons
- Newsreels
- Photo and Poster Gallery
