A smitten Lorenzo immediately engages the sexy, passionate Lucía and she moves into Lorenzo's apartment.
The film then interweaves the past and present, of the characters in the film, and the characters in Lorenzo's novel.
They call back, but she ignores the ringing phone, packs a bag, and flees.
Lucía (Paz Vega), a waitress, is talking on the phone with her depressed writer boyfriend Lorenzo (Tristán Ulloa) after they had a nasty argument, where, afterward, she walked out.
Since he has been in a 'funk' for a while, she's worried and goes home to console him. She receives a phone call from the police while finding a suicide note, and is so afraid of bad news that she hangs up, assuming the worst.
As she hears more about the past of her two new housemates, Lucia is reminded of the book Lorenzo was writing, a tale about a journey into a dark, deep past that brought on his depression.
Soon, the lines between fact and fiction begin to fall apart.
Reports are that it has been shared multiple times on Facebook and particularly Whatsapp.