Dick Tracy's G-men

Zarnoff attempts to destroy the industrial canal with a robot motor boat. Dick Tracy discovers the motorboat crew have been killed.

Zarnoff has a stool pigeon executed to prevent his own betrayal to the F.B.I. Gwen traces the dead man's fingerprint to the Zarnoff gang. Dick Tacy is outwitted by Zarnoff.

Zarnoff plans to wreck to yacht bearing President Mendoza on Suicides Reefs. Robal wrecks the lighthouse and sets up a false light on a barge.

Zarnoff hits upon a plan to capture Tracy and his entire force of G-Men. Robal leaves Steve and Tracy to an old barge on the waterfront.

Zarnoff plans a $2,500,000. train robbery. Steve accompanies the shipment of gold for Benzobia. Robal and his men tamper with the railroad track.

Zarnoff plans to remove stolen documents from a bell under the waters of the Norton Dam. Steve and Tracy surprise Zarnoff's men and recover the documents. Robal wounds Steve.

Zarnoff tries to ship valuable plans out of the country in a load of lumber. Steve and Tracy race to Bayside docks stop the shipment. Sandoval sends a gang of men to capture Steve.

Zarnoff prepares to smuggle government airplane plans to the Three Towers. Robal picks up the plans at the Elite Fur store where they were photographed on pelts.

Robinson, Secret Service agent, brings news of Zarnoff via the Pan Pacific dirigible. Zarnoff perfects a plan to destroy the dirigible.

Zarnoff plants a false code message for the F.B.I to decipher. Robal prepares a trap for Dick Tracy at the hideout mentioned in the message. Steve and agents decode Zarnoff's message.

Zarnoff and his men hide in the ghost town Quartzite. Steve drives Tracy and the G-men to town. Robal spies on the G-men as they search the abandoned building's.

Dick tracy and Professor Guttenbach set a trap for Zarnoff with a fake formula. Zarnoff hires a human fly to steal the formula from the laboratory.

Anderson, F.B.I. chief, arrives at Tracy's western headquarters. Tracy reviews the progress of the Zarnoff case to date. Zarnoff arranges for a message calling Anderson and Tracy.

Anderson, F.B.I. chief, arrives at Tracy's western headquarters. Tracy reviews the progress of the Zarnoff case to date.

As Tracy is in hot pursuit behind the car of Zarnoff and Robel, they release a black smoke, blinding Tracy. Unable to see, Dick's speeding car crashes through a guard rail.