Customs agents face challenges at two of Latin America's biggest airports, including drug smuggling and illegal immigration.

The anti-drug police manage to circumvent the shipment of more than 77 pounds of cocaine bound for the African continent; customs agents try to uncover the strange journey of a pregnant woman.

The Federal Police detect two passengers who could be traveling with drugs; immigration agents must use all their imagination to communicate and gain the trust of a group of passengers who enter the country under irregular circumstances.

The anti-drug police must discover what is hidden by two women who try to leave the country with suspicious objects attached to their bodies; the immigration agents must unmask the true motives of the trip of three foreigners.

A divorced couple deny traveling together, but carry identical bags filled with cocaine; when a bag containing a white powder tests negative for cocaine, police decide to dig deeper.