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. Cassie is ill-prepared for Falcon's resistance and the fallout. As allies become enemies and hostiles become unlikely partners, Raptor fights for its very existence.