Lt. Colonel Cameron Mitchell comes to the SGC to be the newest member of SG-1, but he soon learns from General Hank Landry, O'Neill's successor, that the team has disbanded. Carter is at Area 51, Daniel is about to go to Atlantis, and Teal'c has left the program to be with his people. However, after Vala arrives on Earth with a tablet that supposedly tells the location of an Ancient treasure, Mitchell decides that finding it would be the perfect way to reunite SG-1