Amos Decker investigates a murder-suicide that occurred outside FBI headquarters and cannot connect the shooter and his victim, but he is ordered off the case, and it becomes clear that finding the link is a matter of national security.

While investigating a tip from a civilian who's overheard about a possible bombing plot, the Bayway Refinery in New Jersey explodes. Nicholas and Mike race to the scene and barely escape being killed by a secondary device. Returning to the civilian's home to continue their interrogation, they discover the tipster, and the FBI team left to guard him; dead. While Nicholas calls in the assassinations, COE strikes again, this time launching a cyber-attack...

"Seven years ago, Mia Briscoe was at a college frat rave with her best friend Serena when a fire broke out. Everyone was accounted for except Serena, who was never seen nor heard from again. Now an investigative journalist covering the political scene in New York City, Mia discovers old photos taken the night of Serena's disappearance, and begins to uncover a sinister string of events going all the way back to that disastrous party. Working with Sherlock,...