In a dimly lit bar, former psychiatrist Juan Carlos Castro drinks to forget the landmark case he handled at the country's most famous psychiatric hospital—a case that dragged him into his current state of ruin and decline. "The Gómez case was the strangest thing," he tells anyone willing to listen, and Luis Peralta happens to be one of them. At the bar, Peralta listens to the mysterious story the psychiatrist repeats over and over. Eventually, unable to hide his astonishment at the fantastic tale, Peralta laughs uncontrollably, all the while feverishly calculating how to turn the situation to his advantage. Is it all a game? Is it all just imagination? Or is it all real?

We all want to have a family. He is the only one willing to kill to get one

Ulises wakes up one day and finds that his girlfriend, Alma, is missing. He embarks on an intense search that reveals hidden aspects of her life which connect to the time they spent together to lead Ulises to investigate a professor of hers and her obsession with a book by Borges. When Bianca, Alma's twin, shows up, circumstances escalate quickly to make Ulises commit a crime just so he can find Alma again.