Believing her mother dead from a car accident, sixteen-year-old Johanna is being raised by her grandparents in Santa Fe, New Mexico. Her father suddenly corresponds after being gone since she was a baby, revealing in a letter that her mother died of a gunshot wound inflicted by Johanna after she found an unsecured gun in their home when she was a toddler. The revelation sends Johanna into an emotional tailspin, from which she'll have to learn to forgive herself and those who lied to her.