After returning from his honeymoon, Detective Michael Bennett is greeted with the shocking news that FBI agent Emily Parker is missing.

Determined to track down his former partner, Bennett follows Emily's investigation into an anarchist group that led her between Los Angeles, New York and Washington, DC.

Lurid rumours begin to surface about Emily's disappearance, but Bennett will never give up hope of finding her.

After everything they've been through together, he owes her that much.