Right after arriving on a new world Draga gets a sense that something is watching them. Harrison finds a Mayan temple and returns to report he found the T'ak'khan and a captive human prisoner. However, Seattle and Stacey become suspicious when Harrison acts differently. Gus decides to launch a solo rescue and finds the prisoner is Captain Arnold Grimes - then he gets captured and is thrown in the cell with the real Harrison - they discover a race of shapeshifters who are reluctantly helping the Tlak'khan. Gus puts the pieces together and realizes how he was framed, then engineer an escape while the shapeshifters/Gus & Harrison lead the others into a trap. They escape and go rescue the team from a battle with the shapeshifters, seeing through the fakes. They are about to leave with Grimes when Draga says that she still senses a presence. Gus told everyone to whisper their suspicions in his ear so that he could find out who it was. The only person who accused someone else was Grimes - f

The gang find a mysterious ship emitting dangerous energy on an uninhabited planet. While Harrison and Seattle look for the owners the others break into the ship, much to Stacey's concern. Gus insists on using the ship to return to nearby Earth, unaware that it's actually a Tlak'khan trap - the ship takes them to Ga'Harn, the Tlak'khan homeworld. Da'kyll captures them all and holds them back from the Nax'kan Council by claiming Warrior Right of Capture. Hah'lak sends his own operative, Gal'korn, to free first Gus and then the rest of the SG team and they see through the deception. They get their vehicles and weapons and get to the nearest Stargate to make their escape.