Sultans of the South is a Mexican action film from 2007 directed by Alejandro Lozano.
The story begins with a robbery taking place in Mexico City. The band consists of Carlos, Leonardo, Monica and Leserio had agreed to travel to Argentina to launder money. Arriving in Buenos Aires are in a mob war in which someone takes the opportunity to steal the money and have to recover and give to those who wait.
Source: Wikipedia