THE CALL came just after six in the evening. Sophie had barely finished reviewing another batch of reconstructed server logs when her phone began vibrating across her desk. Matthew's name flashed across the screen before she even had a chance to reach for it. She answered immediately. “Matthew?” Static crackled through the line, followed by shouting in the background. Then she heard his voice. “Sophie, don't come to the garage.” Her heart lurched. “What happened?” Before he could answer, another voice yelled something unintelligible, and the sound of shattering glass echoed through the phone. “Matthew!” “There was an explosion,” he said, breathing hard. “Someone set fire to one of the storage bays.” For a moment, she couldn't process the words. Then she was already grabbing her ke

