SGC's Alpha Site is crowded with Tok'ra and Jaffa refugees and tensions mount between them when the base falls under sabotage and both Tok'ra and Jaffa are mysteriously killed. Jacob Carter and Bra'tac try to keep their respective sides restrained. They eventually realize that an Ashrak, a Gou'ald assassin, is at large and using an invisibility device to hide its presence. Bra'tac is seemingly killed saving the Tok'ra leader Malek. Sam eventually figures out a way to build a device that will disrupt the invisibility field. Bra'tac shows up just in time to save Malek once more, cementing the relationship between the Jaffa and the Tok'ra.