Boston Blackie is a former prison inmate campaigning to outlaw Warden Benton's infamous "Water Cross" torture. Benton, however, is successful in his attempt to have Blackie arrested and returned to the prison, but his evil schemes are ultimately thwarted by Mary Carter, Blackie's girlfriend, who manages to alert the governor. Considered a lost film.
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Character: Boston Blackie
Character: Mary Carter
Character: Prison Warden Benton
Character: Danny Carter
Character: Shorty McNutt
Character: John Gilmore