While sorting her dead grandmother's affairs, a young woman boards in a southern mansion and soon discovers the matriarch may desire more than just her company.

After 20 years in prison, a wrongfully convicted man is released from prison for rape and murder. He reconnects with his adult daughter and tries to rebuild his life. The victim's husband has become a recluse, obsessed with a true crime documentary about the case, and tries to contact law enforcement to reopen the investigation and find the real killer, but they consider it case closed. Then the prosecutor is kidnapped in a desperate attempt to convince her to find the real killer.