Ms. Karmella (2020)

A High School teacher loses her son in a horrific accident. His accident stemmed from him being bullied by his classmates. After the death of her son, she decides to dedicate her free time to prevent bullying in schools. Once she witnesses a group of bullies who will stop at no cost to continue their bullying ways, Ms. Karmella resorts to a zero tolerance punishment and teaches them a lesson they may or may not live to tell.