 The Tok ra are forced to evacuate their newly established base under attack from the Goa uld. They flee to the SGC s Alpha site. Tensions rise between the allied factions, the Free Jaffa, Tau ri, and Tok ra. Jacob and Selmac feel the end of the Tok ra is near and Sam finds a Naquadah generator has been sabotaged to function as a bomb. Jack suspects the recently arrived Tok ra and attempts to weed out the traitor.