Blackie is seen leaving a Chinese laundry where the proprietor has been murdered, and must track down the real killer in Chinatown.
The Return of Boston Blackie
Mr. Moto's Last Warning
Missing Millions
The Thirteenth Hour
The Return of the Whistler
Mysterious Intruder
The Secret of the Whistler
Mr. Moto Takes a Chance
Calling Dr. Death
The Whistler
Mysterious Mr. Moto
The Mark of the Whistler
The Power of the Whistler
Just Before Dawn
Alias Boston Blackie
The Crime Doctor's Warning
The Millerson Case
Dead Man's Eyes
Pillow of Death
The Frozen Ghost
