Frank Smith thought the most complicated systems of his life were behind him. Retirement had settled into a quiet rhythm in the Arizona desert. The old server in his garage had been silent for years, and the world of engineering problems and complex machines felt like something that belonged to another lifetime. Then a simple online conversation begins. What starts as a friendly exchange with a stranger slowly turns into something far more dangerous. When Frank's savings disappear through a sophisticated web of cybercrime, the system that betrayed him leaves behind only one certainty: Someone built it. And anything built can be understood. With the help of an old machine named Roscoe, Frank begins to follow the hidden architecture behind the crime. The trail leads across digital networks, through layers of deception, and ultimately back to the Lancashire town he left more than forty years ago. But the deeper Frank looks, the clearer one truth becomes: Every system has a weakness. The question is who will find it first.
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