1950

In 1960s California, eighth-grader Abby Lovitt has trouble with True Blue, the newest horse on her family's ranch, a beautiful dappled gray who is so often spooked, Abby wonders if he is haunted by the ghost of his deceased former owner.

In the summer of 1980, before she starts junior high school in Santa Rosa, California, Tracy, who was adopted from Vietnam when she was six years old, finds an old ammo box with a dog tag and picture that bring up painful memories for both her Vietnam veteran father and her.