At twenty-one, Alaina Krudence lives a double life. By day, she's a mild-mannered IT specialist in Newark, New Jersey. By night, she's CipherQueen-one of the dark web's most skilled encryption specialists. When a mysterious client offers her ten million dollars to crack an impenetrable government database called Sentinel, Alaina knows she should walk away. But the target files are labeled "Project Archway" and they might hold answers about her brother's disappearance. What she uncovers is worse than she imagined: a classified program that experimented on American soldiers, destroyed dozens of lives, and reaches the highest levels of government. Worse still, her own father (a retired CIA operative) is buried deep in the conspiracy. Now Alaina must choose between her family and the truth. Between staying silent and exposing crimes that powerful people will kill to keep hidden. With the FBI hunting her, assassins closing in, and time running out, she'll need to assemble a team of unlikely allies to pull off the most dangerous hack of her life.