Killing Daddy (2014) on Netflix

Plot summary

Callie Ross was a child when her mother died by suicide, and she has held her father responsible ever since. Her older sister Laura took their father's side, and the two sisters have been apart for years. Word reaches Callie that her father has suffered a stroke that leaves him unable to speak or move. She sees the opening she has waited for: a way back into the house and a chance to settle the score for her mother. She moves back in with him, her sister Laura and her stepmother, and tells her helpless father, who cannot answer, exactly what she means to do to the family and its money. Callie intends to take everything they have.