Special Forces operator Salvatore "Falcon" Russo vowed to never again speak to or trust Lieutenant Cassandra Walker after a tragedy four years ago. But as Raptor closes in on the cyber terrorists responsible for killing two of their own, Sal must put his life—and the lives of his teammates—in her hands. Despite his anger, Cassie is ill-prepared for his resistance and the fallout when she must protect the one asset who can end the attacks. As allies become enemies and hostiles become unlikely partners, Raptor fights for its very existence.