‘Very possibly the definitive espionage thriller of the early 21st century’ – Alan Moore Brigitte Sharp, a cyber-espionage specialist with MI6, has been deskbound and in therapy for three years, after her first field mission in Syria went disastrously wrong. But now one of her best friends has been murdered, and Bridge believes his death is connected to strange posts appearing on the internet, carrying encrypted hidden messages. When Bridge decodes the messages, she discovers evidence of a mole inside a top-secret Anglo-French military drone project. Her MI6 bosses force her back into the field, sending her undercover in France to find and expose the mole… who may also be her friend’s killer. But the truth behind the Exphoria code is worse than she could have imagined. Soon she’s on the run, desperate and alone – as a nuclear terrorist plot unfolds and threatens everything Bridge has left to live for.