An awesome legion of master criminals launch a devastating series of raids that set the entire east coast of America aflame. Skyscrapers explode, ocean liners disappear, key witnesses are kidnapped and brutally murdered as the holocaust rages. In a desperate race against time, Doc Savage attempts to discover the true identity of the twisted brain who rules the silver-costumed marauders while the mysterious Ull and his army of hooded assassins move closer to their grim objective of World Domination! with Patricia Savage!

An awesome legion of master criminals launch a devastating series of raids that set the entire east coast of America aflame. Skyscrapers explode, ocean liners disappear, key witnesses are kidnapped and brutally murdered as the holocaust rages. In a desperate race against time, Doc Savage attempts to discover the true identity of the twisted brain who rules the silver-costumed marauders while the mysterious Ull and his army of hooded assassins move closer to their grim objective of World Domination! with Patricia Savage!