"What makes a happy life? In a slightly off-kilter Madrid of the near future, Marâia, a data analyst, has devoted her career to answering that timeless question with computer programs and algorithms -- until a recurring nightmare about worms throws her life into disarray. Others have sought happiness elsewhere: Blasco has turned to internet porn; his wife, Diana, to motherhood; Angâelica to what she thinks might be love; and the hapless Carlos to substances and a spiritual guide who may or may not be a hack. But in a world increasingly governed by data, are anyone's decisions really their own?"--