People Magazine investigates the 1990 murder of Dianne Hood; nobody can understand why someone would murder the well-liked mother, but the investigation uncovers two broken marriages, an extramarital affair and one man trying to control two women.

In 1992, 11-year-old Shauna Howe disappears as she returns home from a Girl Scouts Halloween party; when Shauna's body shows up in a local creek, her murder sends shockwaves through her community.