After a failed attempt on her life, nurse Deborah Lewis knows her suspicions of foul play in the pediatric unit must be true. And her timely rescue by Cole Strachan—her ex-fiancé—allows her a second chance to prove it. The former navy SEAL who broke her heart is the last man she wants to see…but exactly the one she needs. Though Cole can’t give her the future he once promised, he makes a new vow to help her uncover the truth and stop the culprits. And he has to keep this promise, because more than Deborah’s heart is at stake—this time it’s her life.