Three teenagers in a loving relationship are united by the same secret. Through the stories of the people from the town where they live, we begin to learn more about these young people and their secret, which seems to be getting bigger and bigger.

After the suicide of his best friend and the fire of a local dance called Cromañón, including recitals, illegal parties in an abandoned warehouse and high school, a year passes by in the life of Zabo who writes everything he feels and lives in his blog, "Memories of a teenager".

Sol, a 17-year-old teenager, moves with her mother to the Gonzalo's home, the actual mother's boyfriend. In this town, where from the beginning Sol only finds hostility, she must face bullying from her schoolmates and Gonzalo's harassment. While wandering the streets trying to find a way out, Sol meet a mysterious and magical female dog with whom she establish a symbiotic relationship. It be this dog, the one that violently and surprisingly, always appear to defend Sol until the last consequences.

Antonio Decoud is a conservative family man who is forced by destiny to face an unexpected situation that shakes him to the core, scrambling up his life and his priorities, pushing him to forget his beliefs and his way of understanding life and follow the most basic instinct: the animal instinct.