Shrewd 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
Bert Lytell
as Boston Blackie
Alice Lake
as Mary Dawson
Henry Kolker
as Fred the Count
Bernard J. Durning
as Sober Dent
Jack Duffy
as The Dove
Gertrude Short
as Baby Doll
Joseph Kilgour
as The Warden
William Musgrave
as Little Squirrel
Don Bailey
as Chief of Detectives
Wilton Taylor
as Detective Mack
Ah Toy
as Chinese Waiter
