Does love run out? Does it have an expiry date? Sofía and Álex, a couple like many others, begin a love story, going from mutual attraction to unbridled passion. But coexistence and the mere passage of time force this beautiful story to begin to write its end. Perhaps love has run out of steam from so much use.

A neighborhood soccer field. Rana and his team feel humiliated by the Brazilians from the neighborhood next door, who have been beating them for a long time. But today they are not going to allow themselves to lose, especially in front of Alba, Rana's ex, who comes out to play against them in a five-on-five game where everyone has something against everyone else. This is the perfect opportunity for the boys from the Polígono X neighborhood to do something they have been waiting for a long time: expel the Brazilians from their neighborhood.

Hako and Marqués are two hitmen who have broken into the apartment of a former gang member in the neighborhood to collect a debt. However, nothing is as it seems, and they will soon discover that there is much more behind the legend of the Stray Dog.