A former marine must help a Russian spy... But can he trust her? Force Recon marine Mack Balkman would do anything for Declan's Defenders and the boss who gave him a second chance. But aiding a rogue Russian spy pushes his loyalty to the limits. Beautiful, cunning Riley Lansing loves her adopted country--and her baby brother, who is being held for ransom. Can they work together to find the young boy before Riley's handler...