Two girls sitting in the kitchen discussing how they should punish her friend for her obscene behavior. At the time of discussion they did not notice as their friend hears it. She's not waiting for the payback, decides to take revenge on them first. Going to their kitchen, she asks one of her friends to help her in the bathroom.After they had gone to the bathroom, she attacked the girlfriend and strangling her. After that, she calls the second girl to help her in the hallway, and just attacks her and strangles.