What’s it like to live your life so deep undercover, handling secrets that are so sensitive, not even the people who know you best—not your friends, not your siblings, not your parents—can know what you’re up to? Ex-CIA agent Amaryllis Fox spent the better part of her 20s trying to keep WMDs out of the hands of global terror groups—until she became a mother and realized she couldn’t ask her baby daughter to live inside a secret world.