In a macabre game of survival, two chained men are forced to fight until death for food. When one of the bodies appears in the street with suspicious markings, detective Gigi investigates and discovers a neighborhood dominated by dogfighting. The Villa brothers, former leaders of the business, have fallen, but a new player, "El Perro", has taken control. UNIC follows the leads to a person whose hatred for humans has triggered a brutal revenge. While the investigation advances, the truth behind the crimes is revealed, showing the lengths of a pain that turns into rage.
