Gabino, a very dedicated and hardworking young high school student, he is infatuated with Maty and tries to make her fall in love with him. After an incident in the school, where Gabino and his two friends are suspended for harassing Maty, she rejects him for the last time causing Gabino to plan a revenge against Maty.

Yessica is a rebellious girl who forms an unlikely friendship with quiet schoolmate Miriam. Yessica's home life is ruled by her brutal stepfather and her amoral stepbrother, Jorge, while Miriam shares a calm, loving household with her mother. The girls' friendship is shattered after Jorge arranges to have one of his friends rape Yessica.

It was the year of 1962 when I turned 12 and my breasts began to grow. Cecilia, my sister, went to study in Paris, I was left alone with my parents and their problems. I discovered that the breasts made men and women crazy, while mine began to draw the attention of my friends without adults realizing that I needed a bra.