Fourteen-year-old Sydney is a surfer and a rebel from Bondi Beach, Australia. She's also a field ops specialist for the City Spies. Sydney is excited to learn that she'll be going undercover on the marine research vessel the Sylvia Earle. But things don't go exactly as planned, and while Sydney does find herself in the spotlight, it's not in the way she was hoping. Meanwhile, there's been some new intel regarding a potential mole within the organization,...

When hackers target locations all over London, Kat leads the City Spies in testing security for the British Museum where a secret message leads them to Egypt and the ancient City of the Dead.