On September 26th in the city of Iguala, Guerrero, a group of students from the Normal School "Raúl Isidro Burgos" in Ayotzinapa are protagonists of one of the cruelest manifestations of violence, where Mayor Jose Luis Abarca, the municipal police and two drug cartels are the main suspects.

Eight friends travel to a cabin in the woods to celebrate their high school graduation.

Ana and Claudia get trapped in a bathroom during the military occupation of the university. Claudia is caught by a soldier, leaving Ana alone for days in the bathroom, trying to survive and find hope. Based on the experiences of Alcira Soust during the military occupation of Ciudad Universitaria during the movements of 1968.

At 7:19 a.m., on September 19th of 1985, the most destructive earthquake hit Mexico City. Inside what's left of a building, a group of survivors fight for their lives waiting for rescue.