In the early 90's, the worst serial killer in Colombia's history emerges, leaving a legacy of brutal crimes across the country.

Investigators uncover similar crimes in various cities, a victim recognizes his attacker, and clues at crime scenes point to Luis Alfredo Garavito.

After discovering the killer's identity and modus operandi, the police must find him and bring him to justice.

Garavito's case highlights the lack of adequate procedures to deal with such crimes and the reduction in his sentence sparks outrage.