After her harrowing escape from a kill order, Grace thought she'd return to a normal life, only to be abducted from her home.

Meanwhile, FBI investigations into the murders of a congressman and his staff uncover a shocking link to Grace's abduction, threatening international stability.

Desperate to survive, Grace allies with an unlikely partner-a child who knows the bunker's secrets-but as they navigate the treacherous tunnel system, a misplaced step echoes through the corridors, alerting a deranged captor who now closes in, gun in hand.

If you like Alex Cross, Gabriel Allon, you will like this unpredictable, fast-paced suspense thriller.