A decades-old Louisiana cold case involving the gruesome death of Dorothy Lou Thompson, the owner of a pet cemetery, gains traction after a startling account launches investigators down various haunting leads.

Detectives make strides in Dorothy's case, and an unlikely witness comes forward with a vexing admission. As police dig further into Dorothy's fraught past, details emerge about her struggles with addiction and the mysterious deaths of her past husbands.

Although Dorothy's murder gets solved, what was unearthed in her case is a trail of murders, mobsters, and a horrific history that still haunts this community.