 After an experiment to increase the range of Merlin s device goes terribly wrong, Sam has an accident which transports her to a parallel universe, where SG-1 has a very different composition, since history was changed by a failed attack by one Ori ship... and a whole fleet is expected soon. She insists upon abandoning the -killed- parallel Carter s line of work and pursues hiding the entire parallel Earth. It works! Even when the Ori fire at their position, nobody is hurt. The parallel Hank Landry is President, and three years prior had imposed permanent Martial Law. The more Carter learns about the perversion of civil liberties, the more she shifts her efforts, even when rewarded by a post as Presidential Defense Adviser, to restoring them, but thus incurs the active wrath of those in power who are eager to remain so. Time to get back, but how?