 The Atlantis crew are still looking for options for when the Wraith arrive. McKay and Zelenka think a control chair might be useful, but the thing hasn t even been working yet. Sergeant Bates has been investigating a uninhabited planet to use as a possible evacuation site. Meanwhile Teyla hasn t been sleeping much and seems agitated. She s being haunted by terrible nightmares of a Wraith feeding on her and Sheppard. She even imagines she s a Wraith herself. Sheppard arranges a meeting with a psychologist, Kate Heightmeyer, much to her dismay. Heightmeyer tries to dig deeper into Teyla s gift to sense the Wraith, making her decide to go the mainland. She asks an old Athosian woman, Charin, about it. Charin is prepared to tell a secret that Teyla s father wouldn t want her to hear.