Detective Chávez (Demian Bichir), a family man and a tough cop, is put in charge of the investigation into a homicide that took place in the most exclusive circles of high society 1980s Buenos Aires. At the crime scene, Chávez meets officer Gómez, nicknamed The Goose (Chino Darin in his first starring role), a good-looking rookie who becomes his right-hand man and who go undercover as bait to catch the murderer.