Over the course of 54 harrowing minutes, the students at Opportunity High struggle to survive—and to understand why one boy started shooting 10:00 am: The principal of Opportunity High School in Alabama finishes her speech, welcoming the entire student body to a new semester and encouraging them to excel and achieve. 10:02 am: The students get up to leave the auditorium for their next class. 10:03 am: The auditorium doors won't open. 10:05 am: Someone starts shooting. This explosive, emotional, page-turning debut about a high school held hostage is told from the perspective of four teens—each with their own reason to fear the boy with the gun.