From Acclaim: After two years of being a double agent inside the criminal organization, SD-6,Sydney Bristow thought she'd brought it down from the inside. She thought her mission was over. She thought she was getting out of the CIA. But when you're a spy, the truth is never that simple... Arvin Sloane, the mastermind behind SD-6, remains at large. And as long as he's out there, Sydney will never be safe.