Twelve-year-old Veronica Swan's idyllic life in a close-knit Mormon community is shattered when her two younger sisters are brutally murdered. Although her parents find the strength to forgive the deranged killer, Veronica is unable to do the same. Years later, she sets out alone to avenge her sisters' deaths, dropping her identity and severing ties in the process. As she closes in on the murderer, Veronica will discover the true meaning of sin and compassion, before she makes a decision that will change her and her family's lives forever.