When their father disappears into the Crazy Mountains, the McKinnon boys rally. Angus McKinnon, the oldest son, leaves the elite Delta Forces, returns to Montana, and takes up the reins on the family ranch. The last person he expects to run into is the beauty who broke his heart.

Bree Lansing promised to wait for Angus, but a violent confrontation with her stepfather left her no choice. She had to leave. Later, she learned her stepfather had died in the same barn where their fight occurred. Bree is afraid that if she returns to Montana, she will be charged with his murder. When her mother is poisoned, Bree returns home to face her guilt and fear and find out who will kill to get her family out of the way. Though fate forces Bree to work with Angus to discover the source of the poison, she's determined to keep the man she once loved at a distance. She can't let him close when her secret could ruin her life and his.

Struggling to keep Bree safe and find his father, Angus risks losing his heart again to the only woman he ever loved.