For centuries people have used codes and secret languages to send messages. Spies and secret agents use them to protect the messages and stop information getting into the wrong hands.
Evil agency SHADOW uses lots of different codes to try to prevent SHINE finding out what they are doing – but they didn’t count on Special Agent EJ12 being able to crack them all.
The secret to any code is knowing the key. Once you have cracked that, it unlocks the message.
All SHINE Agents carry a special CODE App on their spy-phones but they still need to use their brains to work out which code they are dealing with.