AT THE MERCY OF THE SILVER MIST! Natasha Irons may have solved the mystery of the strange intruder at Steelworks Tower...but will she live to tell the tale? The Silver Mist's plan to sabotage Steel's technology takes a twisted new turn, and murder is in the air! Meanwhile, John Henry's bold vision for Metropolis has driven a wedge between him and the Super-Family, all on the eve of Metropolis's biggest celebration: Centennial Day.