When the police refuse to investigate their daughter’s alleged suicide, two computer-illiterate parents decide to design a protest banner. Based on the infamous Miryang case in South Korea which shocked the nation in 2004 and continues to fuel public outrage even today.

Several years after the murderous events of the first movie left her father dead, Emma is now living with her aunt Angela and navigating high school. Angela’s husband begins to suspect that Emma may not be as innocent as she appears and suggests sending her off to boarding school. Meanwhile, a new girl at school seems to know Emma’s secrets, leaving Emma no choice but to slip back to her old ways and take care of her enemies by any means necessary.