The story unfolds over the course of one night, during a lunar eclipse, in the home of Alfonso and Eva—a well-healed professional couple worried about their teenage daughter and about the monotony of their lives. They are joined by five guests: Eduardo and Blanco, Antonio and Ana and Pepe. It’s a dinner party like any other, until someone has an intriguing idea: what if they put their mobile phones at the disposition of the group, leaving them in the middle of the table for everyone to see?