Brigitte Sharp is a brilliant but haunted young MI6 hacker. When she decodes encrypted online messages, which she believes are connected to her best friend’s murder, Bridge uncovers evidence of a mole inside a top secret Anglo-French military drone project.

Forced back into the field by MI6, after three years desk-bound and in therapy, she discovers that the truth behind the Exphoria code is far worse than she could have imagined. Soon she’s on the run, desperate and alone, as a nuclear terrorist plot unfolds around her …