Between a rock and a hard place ...
SG-1 faces a terrible choice. With the lines between friends and enemies blurring, the team must choose where their loyalties lie — and how much they're willing to risk to save their world.
While Dr. Daniel Jackson and Teal'c return to the refugee colony on Arbella, in search of allies in the coming battle for Earth, Colonel O'Neill and Major Carter discover a piece of Ancient technology that could change the future — and the past. But if using the device results in their own extinction, do they have the right to sacrifice their new friends to save a world they'll never know?
In this thrilling conclusion to the STARGATE SG-1 Apocalypse trilogy, SG-1 must decide how far they'll go in the battle for Earth’s future.