After a controversial and turbulent operation to stop a serial killer, McQuinn is fired from the Los Angeles Police Department and returns to Rio de Janeiro, where he meets the woman with whom he plans to settle down. His retirement is short-lived, though, as the CIA conscripts him on a top-secret mission that will take him to Venezuela, Spain, and Cuba, where he must foil a plot by the Castro brothers and Cuban intelligence to use biological weapons against counterrevolutionary forces. "Despues de un operativo polemico y turbio, McQuinn es despedido del Departamento de Policia de Los Angeles y vuelve a Rio de Janeiro, donde conoce la mujer con quien quiere compartir el resto de su vida. Su retiro es interrumpido, sin embargo, cuando la CIA lo recluta para una mision de alto riesgo que lo traslada a Venezuela, Espana y, finalmente, a Cuba, adonde se enfrentara a los hermanos Castro y los servicios de inteligencia cubanos, quien piensan usar armas biologicas contra loas fuerzas contrarrevolucionarias."