You play as Kurt Kessler, a man at the end of a long career with I.O.N. Following his last day on the job, Kurt returns home to his family. But their pleasant evening takes a sinister turn when I.O.N agents suddenly burst through the door to arrests Kurt’s son, Thomas.
Apparently, Thomas has been associating with the Gray Brigade, a vast network of rebels set on overthrowing the Chancellor. Kurt quickly realizes that they might be the only ones able to help him.
After proving his loyalty to the Gray Brigade, Kurt experiences the darker sides of the organization. Their methods are dubious at best – brutal, even – and despite their fancy talk of loyalty, the Gray Brigade is not devoid of traitors. Who, if anyone, can be trusted? And what about their ruthless leader, Marcus Stahl? Is there anything he won’t do to achieve his goals?
Recognizing Kurt’s talents as a former agent, Stahl agrees to help save Thomas (as long as Kurt makes himself useful to him in return, that is). Together they prepare to break Thomas out of the terrifying Ostergard Prison. But when the day finally arrives, a shocking incident sets Kurt on a path he’d never expected…