Six weeks after the biggest case of her life, Sgt. MacKenzie "Mack" McCallister receives information that changes her future. With the man she loves on the opposite side of the country, Mack isn't sure she can do it on her own. Special Agent Andrew Cooper is dealing with the hardest thing he has ever had to face, and in order to do it, he must shelve his feelings for Mack and pray that she will be there when he returns. As time passes, Mack focuses...