This is the history of the Gavilan, a boy of just 12, who lives with his family in the neighborhood of the Viaduct, a port area. They are in the summer holidays and with his friends, spend their days on the street. An explosion threat to the neighborhood. The unexpected death of a friend and an unsuccessful plan to lose their virginity will drive the Gavilan and his friends close to some of the revelations that life has in store for them: sorrow, sadness, and the inevitable end of childhood.