It had been long rumored that a nuclear weapon on out there to be bought and now it is supposedly available if the price was right. Joe Brennan learns that an old friend and mentor had been killed while checking out the rumor and now it falls to Brennan to ascertain the truth. He will team up with a reporter out for the same story in a chase that will take them from South America to the south of France then to the capitol cities of Paris and Washington to stop a huge catastrophe.
[Note: this large volume combines into one adventure three previously released parts of a trilogy. The parts were named Betrayer of Kings, Deadman Switch, and Fallout Zone.