Juan Marcos is an introverted teenager who is constantly abused by three girls in school. The reason behind this abuse is unknown and only his closest friends know about it. Juan keeps everything secret because back at home is parents are going through a divorce.
A group of students and their homeroom teacher, Mr. Pérez, plan a Christmas party at the teacher’s home. There will be a gift exchange in this party but one student, Pedro, doesn’t want to participate. Pedro insists he hates Christmas. Sr. Pérez (René Monclova) unexpectedly tells his students a personal story about his only daughter that’ll make his students reflect.