A woman expecting to get engaged on her all-important 30th birthday gets a different surprise after she makes her birthday wish: a glimpse into her future – which doesn’t resemble anything she’s ever imagined for herself.

When a low-level cop, Aiden Magnusson, solves an infamous crime, he is promoted to Sector One and used as a "poster boy" of success. But his newly established status and lavish life is jeopardised when the central computer system that governs his city accuses him of murder....Now Aiden must return to the ruins he once called home to solve the mystery and prove his innocence.

With the Ancients' city of Atlantis discovered in the Pegasus Galaxy by Stargate Command, Dr. Elizabeth Weir and Major Sheppard lead a scientific expedition to the ancient abandoned city. Once there, the team not only find themselves unable to contact Earth, but their explorations unexpectedly reawaken the Ancients' deadly enemies, The Wraith, who hunger for this new prey. Now with the help of newfound local allies like Teyla Emmagan, the Atlantis Team sets about to uncover their new home's secrets even as their war of survival against the Wraith begins.