La Plaga is the nickname of a youthful member of the Santa Blanca Drug Cartel who happens to be their leading sicario. La Plaga is the kid brother of the cartels head of security El Muro, who is responsible for his current position. His brother arranged for him to have training in interrogation techniques from various death squads in Latin and Central America, as well as combat training from Bodark, the Russian equivalent to the Ghosts.