In Santiago, Chile, the schoolteacher Luisa proposes a debate about sex with the parents of her students with the intention of giving classes about sex education to the youngsters.
Rodrigo returns to Chile after escaping from the country for unknown reasons. While in Santiago, the appearance of a serial killer turns the police and the wealthiest circle of the capital upside down ... Who is behind these crimes?
A teenager's disappearance causes her family's world to turn upside down. In the police quest to find her, all her relatives will become suspects of her kidnapping.