This is the 초 time Carla and Michelle will fight. (the first time being in the 이전 part). This is the first time Wendy and Mr. Mackey come back after part 3. Annie and Esther do not appear in this part.
Michelle tries to avenge the death of her old friend who was murdered 의해 Carla; Carla gets confronted 의해 the police in the alternate ending; Stan tries to help save Michelle's life when she lands in the hospital.
Stan and Michelle's relationship continues to go up to new heights; Michelle and Carla reveal their friendship; Stan breaks up with Wendy due to her lying about Michelle, leaving her heartbroken and depressed.
Switch sided story between kyle and Elizabeth. at kyles school a new girl arrives. Will he break his vow to never 사랑 a girl romantically in order to be with Elizabeth?