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...