Elizabeth Weir wakes up in a mental institution, where she is told that the expedition to Atlantis and the Stargate are figments of her imagination.

Juliet asks Shawn and Gus for assistance on her undercover assignment. They’re only too glad to help, since it involves sorority sisters. Unfortunately, what’s supposed to be an easy case…

SG-1 must adjust to a new commanding officer when General Hammond steps down — but O’Neill discovers foul play behind the general’s resignation.