Javier chats online with a girl called sofi_dark, a mysterious girl who indulges in a subtle game of perversions. As the relationship grown, he wants to meet her in person. He begins to desperately look for her through the city, until a series of photographs that he discovers on the Internet disrupts his plans.

Bego, a housewife in a mid-life crisis, lives bored and afraid of being inconsequential, however, her life evolves into a mysterious game once she enters into a cult that preaches three days of darkness...

Lety, a beautiful young woman, has an extremely jealous nature that is irritating her handsome, easy-going fiancé, Joaquin, Lety enlists her friend Martha to try and trap Joaquin. Joaquin, annoyed at Lety's attempt to catch him, decides to teach her a lesson, and disappears. Panicked, Lety tries to find him and realizes that she had the perfect man all along.

Orlando and Marco, two young men who live in Mexico City, meet by chance and fall in love. Every day they fight in order to achieve their dreams: Orlando wants to be a dancer and Marco wants to graduate from nursing school. As they go against a diverse, ever-changing, hostile world, they’ll learn that once the darkness of night is gone and through their intertwined bodies and their synchronized souls, they will have seen all those demons of dawn go by.

Manuel and Lupe want to have a baby. When Manuel discovers he is infertile, he starts to fall apart both physically and emotionally. After exploring several options, Manuel turns to Rubén, his new friend, to act as their donor.

Aniela and Oscar, a murderous couple united by a distorted love full of horrors, lives in paranoia after discovering that Cynthya, one of their victims, survived.