Deputy Marshal Garrett McKendrick does not get involved with witnesses he's tasked to protect. Especially when his boss has a very personal reason for keeping Samantha Hutchinson alive. Can you say off limits?

Marian Fletcher Blackley, Duchess of Endsmere, is on the run from the English Crown for killing her abusive husband...no matter that it was self-defense. She has only one safe place to go - the MacKinlay clan in Scotland, where her sister is the laird's wife.

Crack CIA analyst Trista Gold is a whiz with the computer, but not so much with people. She hides behind her job, analyzing top-secret code and making recommendations on national security. CIA K-9 officer Sgt. Matt Connors suspects that beneath Trista's uptight appearance, there's a sexy woman itching to cut loose. But he doesn't dare act on his attraction. He's a loner and always will be. Keeping away from Trista is a must-do directive. Until he doesn't have a choice. During a routine assignment, Trista stumbles across a cryptic exchange. Then someone tries to murder her - twice.

Former CIA assassin Alex Parker works for The Gateway Project, a clandestine government organization hell-bent on taking out serial killers and pedophiles before they enter the justice system. Alex doesn't enjoy killing, but he's damn good at it. He's good at dodging the law, too--until a beautiful rookie agent has him wondering what it might be like to get caught.

FBI Supervisory Special Agent Dominic Sheridan is an accomplished expert in the Crisis Negotiation Unit. Practiced, professional, used to dealing with high-stakes situations under tense conditions, Dominic is a master at manipulating people. Everyone, that is, but the headstrong rookie agent bent on destroying her fledgling career. As a child, Ava Kanas put her life on the line when the mob executed her father. Now someone has killed her mentor, the man who inspired her to become an FBI agent - and she’s the only one who recognizes it was anything but a tragic accident.