The safehouse in Berlin was cold and silent. Knox sat at the kitchen table, the encrypted laptop in front of him, the message from Marcus Webb still burning in his mind. The mastermind had been watching him all along, pulling strings from the shadows, waiting for the right moment to strike. He's been playing me. He let me dismantle Sterling's network because it served his purposes. He wanted to see what I was capable of. Knox stared at the screen, his mind racing. Marcus Webb was more dangerous than Sterling, more dangerous than Montgomery. He was a ghost, a phantom, a force of nature—just like Knox had become. But he made one mistake. He showed his hand. And now I know where to find him. Knox reached for his phone and dialed Ava Shaw's number. "Ava." "It's me. I found the mastermin

