Josie Black can infiltrate any building, speak a dozen languages, and fight like a martial arts master. But no one told her that. After J.B. detects gaps in her memory, her mom reveals the truth: she works for a covert agency, and she's given J.B. the skills of a super spy. When J.B. freaks out and runs off, a weird world of espionage runs after her. Her mom is determined to keep J.B. in the family business--and J.B.'s determined to decide who she wants to be.