Notes
Sara, Daniel and Jared have devised their own simple code to communicate with each other in class at school. But when a written, coded message is amended en-route to Sara and she gets into trouble, they start to explore how they could protect their code from tampering by somebody. This all remains a private hobby, until one day, on a school trip to a bank, the class is caught up in an attempted bank robbery. Suddenly Sara, Daniel and Jared's playing with codes--and with methods of error correction--has an urgent reality
Cold fusion
