The effects of the enzyme's grip on the Atlantis team begin to wear off, sending them into withdrawal as they look to escape from the Wraith hive ship.
The team races against time to foil the Goa'uld's plans to destroy Atlantis.
To while away the hours, Sheppard and McKay have been secretly competing against one another in a real-time strategy game they discovered on Atlantis. To their surprise, they realise that this is more than just a game.
The Atlantis team uncovers the last survivors of a civilization who have been placed in suspended animation aboard a space station. As some of the people awaken, problems from the past threaten to destroy everyone.