The Darkest Blue — Hildie McQueen

Ashley Cole's life changed the day he failed to save a friend's life. When his cavalry captain comes to town bringing the secrets from his past, he is forced to face his demons. Not just her father, the town sheriff, but every instinct warns Grace Dawson to stay away from the darkest of the Cole brothers. But fate has other plans for them and the attraction between them grows with each passing day. The same secrets that forge the connection between Ashley and Grace can also ruin any chance of happiness.