Set in the late 90s, it tells the story behind the police investigation in search of the person responsible for the disappearances of girls, which occurred in the town of Alto Hospicio in Iquique.

The mysterious disappearance of a young man after a party breaks the calm of the community. Misinformation and chaos take over the city. Non-commissioned officer Antonia Loij works tirelessly to find the student's whereabouts when an unexpected character arrives in the city: former captain César Rojas. Becoming a private investigator for a law firm that is an expert in sexual crimes, Rojas will have to solve the mysterious disappearance of the young man. What he does not imagine is that, in the search, he will remove secrets from his life and those around her, facing a powerful institution that, when cornered, will respond with death and violence.