 Sydney and Dixon are sent to Las Vegas to gather information from a K-Directorate agent who has ties to the McKennis Cole group that attacked and nearly destroyed SD-6. Meanwhile, Sydney learns some shocking news about Francie s fiancé, Charlie, and tries to stop them from getting married, all in the same time. Back in Los Angeles, Will begins his journey in discovering what SD-6 really is, and Jack continues to try to be more of a father to Sydney when he helps her decide whether or not to continue with graduate school.