All Zoe Hull wants is to get through the last few weeks of her senior year and leave — off to college and a fresh start. Instead, her high school is attacked by four nihilistic, gun-toting students, who plan to make their siege the worst school shooting in history.
A normal school day is brought to a brutal halt when invaded by armed students on a murderous mission. As the shooting starts and the blood starts to flow, Zoe (Isabel May) is lucky to get out alive. But then she heads back inside the building to rescue as many staff and pupils as she can…
