While watching a cooking program, Jamie is informed along with the rest of the world by the brilliant but ill and ageing Dr. Elijah Cooper that all life on earth will be destroyed if another nuclear weapon is tested or fired in anger. The OSI sends her in disguise in place of a French physicist Dr. Cooper has requested to confim that his doomsday device is real, and when she asertains that it is, she volunteers over Oscar's strenuous objections to raid the complex to shut the device down. She and a Russian agent meet fierce resistence, mounted by the Alex 7000, a computer Dr. Cooper has designed to hold back an rmy until the device can be activated, but Jamie pushes through, and discovers that thre is no doomsday device. Just as she is about to celebrate, however, the Alex computer informs her that he has a way to destroy the world after all, and intends to do so, since he was programmed to win at any cost.