An Appointment with Mr. Vield (2017) online

Samantha Anthony is a teenage girl who has been forced to deal with situations, which have made her wise far beyond her years. She's had to watch her mother spiral out-of-control while addicted to the drug meth. Lost a baby brother to CPS as a result. And blames Mr. Vield for both. As a result, she turns to a rather unusual solution for how to eradicate him from her life