Bad Stepmother (2018), Directed by Jeffery Scott Lando – good movies with Sofia Vassilieva, Kristy Swanson, Logan Huffman, Dave Davis

Following the sudden and mysterious death of their father, a brother and sister return home to their sprawling New Orleans estate and encounter their unhinged stepmother, who will stop at nothing to gain control of their inheritance.

http://www.imdb.com/title/tt7125070/