Beyah Grim has spent her life hiding poverty, abuse, and emotional neglect. When her drug-addicted mother dies just weeks before college, Beyah is forced to live with her estranged father on a Texas peninsula. There, she meets Samson, a mysterious neighbor who—despite appearing wealthy—carries emotional scars of his own.
 
What starts as a summer fling between two broken people becomes a powerful emotional journey. Secrets unravel, love is tested, and Beyah must decide whether she can overcome the "heart bones" of her past—those that carry emotional pain instead of physical strength.