El Culebra and El Cabesa, a pair of criminals, decide to take a bank at gunpoint, dressed as penitents. The plan is simple: Get in, get the money, take off all the loot quickly and catch the first flight to Brazil. But things get complicated when a man on his fifties, victim of the economic crisis goes into the bank loaded with explosives, threatening suicide. What would be the easiest shot in history, becomes a nightmare carnival.