As New England swelters in the summer of 1914, Detective Isaac Bell is asked to investigate a cache of missing rifles -- only to discover something much more sinister involving a transistor radio set to summon German U-Boats.

SUMMARY: An account of Germany's U-boat crewmen as they battle the British Navy during World War II.

"In the summer of 1914, Detective Isaac Bell is asked to investigate a cache of missing rifles but discovers something much more sinister. Whoever broke into this Winchester factory wasn't looking to take weapons; they wanted to leave a radio transmitter, set to summon a fleet of dreaded German U-boats. Someone is trying to keep American supplies from reaching British shores. Bell must hunt down a new piece of technology that is allowing the Germans...