Cambridge student Edward Brooks starts working on a secret research project that triggers unthinkable chaos.

Ed's work catches the attention of NSA operative Taylah Sanders and a mysterious institute.

Ed investigates the institute while Andrea faces a crisis in Baghdad. Meanwhile, Taylah reestablishes contact with her superiors.

Ed and Taylah join Andrea in Baghdad, where they unearth ancient, buried answers-and get caught in the crosshairs of an unknown enemy.

In a high-stakes chase against time, two determined individuals must solve a critical mystery while evading constant NSA surveillance.

Under pressure to meet a deadline, Ed faces mounting demands while Taylah weighs a crucial decision. Meanwhile, a friend becomes entangled in the growing chaos.

Season finale. As Ed and Taylah try to expose the truth, a deadly threat is discovered to be closer than they could have imagined.