He made a promise he intends to keep Harmony Savitt is off-limits for navy SEAL Kyle Bracken. Not only is she his best friend's little sister, she's also a single mother and the widow of a fellow SEAL killed in action. This soldier needs to keep his distance. But something between them has changed... Despite the new complicated feelings he has for Harmony, when his family comes under attack, there's no one Kyle trusts more than her to help him get answers. When that threat extends to her and her daughter, though, he vows to protect them...even if it means putting his own heart on the line.