Cast & Crew
Clever crook Boston Blackie is determined to go straight. At a celebration held on the eve of his marriage to Mary Dawson, Fred the Count plants a stolen jewel and Blackie is arrested and sentenced to twenty years in jail. Fred the Count tries to win Blackie's fiancée, but the honorable Mary rejects him. Blackie's only hope for escape is from the hospital, so he manages to get into a weakened state. He escapes from the hospital, but is trailed by the warden. Blackie refuses to shoot the defenseless man, and the warden recognizes Blackie as an honorable person and allows him to escape. Blackie frames the Count, and leaves for Honolulu with Mary.
The novel Boston Blackie was compiled from two short stories, "Boston Blackie's Mary" and "Fred the Count," which appeared in the Red Book Magazine in November 1917 and January 1918 respectively. The working title for this film was Powers That Pray. According to a pre-production news item, Frank Currier was to act in this production.