The Atlantis team must decide the fate of a colony of Wraith they have turned into humans. Dr. Weir must defend her leadership when she is evaluated by the I.O.A.

The Daedalus is infected by a Wraith computer virus, while members of the expedition hope to return to Earth.

Sheppard and his team attempt to locate Lieutenant Ford, only to find themselves captives of a former soldier who is being hunted by the Wraith.

A run-in with a Wraith Dart leaves the consciousness of a precocious Atlantis security officer trapped in Dr. McKay’s mind.