Perras

“Do your parents know?”

Ten girls in class 3A at Calmecatl Junior High are locked in together, each of them a suspect in a terrible incident at the school that none of them will name outright. Among them are María del Mar (Claudia Zepeda) and Tora (Karen de la Hoya), and no one is allowed out until the guilty one is found. Guillermo Ríos keeps the camera inside that one room, where the girls talk, taunt and confess while the door stays shut.