It follows the crimes of serial wife-killer Randy Roth and the woman who ultimately brought him to justice.

Lori becomes distraught when her best friend, Cindy Roth, drowns under mysterious circumstances while she and her husband Randy are on a trip to the lake. Determined to honor Cindy and learn the truth, Lori begins to uncover disturbing evidence from Randy's past.—themoviedb

After her husband's death, single mom Cindy (Laura Ramsey) finally finds love again with mechanic Randy Roth (Colin Egglesfield), but her wedded bliss turns dark when she discovers another side of him. Cindy's best friend Lori (Chrishell Stause) pleads with her to leave Randy, but she never gets that opportunity: she drowns during a trip to a lake with him and the kids. Emotionless following Cindy's death, Randy orders her immediate cremation, takes custody of her kids, and attempts to collect on her life-insurance policy. Determined to honor Cindy and find the truth, Lori uncovers more of Randy's past, discovering that Cindy may not have been the first wife murdered at his hands.—thetvdb