i was thinking the same thing if sark and sloane were that loyal to each other. i mean sark obviously knows about sydney and her double agent status(was!!) and that also means that irina must be in on it somehow or that is part of sloane's plan, because i think the whole plan included her turning herself in, and with the whole save Vaughn and try to kill Sloane!! i think it was a big set-up, and i hope sydney notices quickly that francie is not francie, because i think she is in danger, as well as Will(what did happen to him?) i hope the double agent gives us more clues as to what phase two is and who is all involved in their plot!