Artemio is a photojournalist who portrays the murder of a sex worker he knows and begins a search to find the murderer.

María is a teenager, from a rural environment, who is late for her first period. She experiences the transformations of her body as something monstrous, she is a shy young woman who suffers abuse, isolation and discrimination in school. Her family and the community do not tolerate her because of her own behavior, a man, these attitudes will be reason for her classmates, led by Aquiles, to humiliate her physically and psychologically.