Sam returns to Chile from the USA after his parents divorce. Left with a sexually-abusive nanny, he makes friends with some other neglected kids: Isabel, whose mother suffers from depression after the disappearance of her father and brother, and Daniela whose mother is dead and whose father is an alcoholic. The teenagers get together to make a slasher film dealing with family issues, and finally confront their demons.

A female mutt called "Perla" (Pearl) is abandoned by her owner on the top of the San Cristobal hill, in the capital city of Santiago, Chile. Without knowing what to do, soon Perla is part of the huge amount of street city dogs. Until the day she meets Samuel, a troubled man, and they both start the way of mutual recovery.