Elderly, unarmed, and extremely dangerous. Ajay Andersen was the best hacker the NSA had ever hired. He sank corporations, toppled governments, and broke cryptography. All of it. Retirement hasn't slowed him down one bit, thank you very much. When his estranged daughter shows up on his doorstep with his two granddaughters, Ajay will do anything to keep them safe. He'll hack biotech...