Investigating a string of brutal killings, battle hardened nun Lucia enters a hasty marriage with celebrated attorney Jace. Behind his charm lies a violent host for an ancient evil, while his relatives are bound by a pact with darkness. As Lucia earns the trust of his young daughter Cindy, she uncovers the fate of Jace's first wife. With only a blessed silver blade, she must confront the evil inside their home and protect Cindy and Jace's mother.