Episode 1
Meth smugglers and law enforcement officials play a high-stakes game of cat and mouse around Phoenix and the U.S.-Mexico border.
Episode 2
Follow the flow of smuggled hash as criminals transport it from Morocco, across the Strait of Gibraltar, up the coast of Spain and into France.
Episode 3
In the poorest areas of Rio de Janeiro, elite teams of police officers risk their lives fighting brutal drug gangs with nothing to lose.
Episode 4
The drug MDMA is disturbingly popular in the U.K., where dealers smuggle it into music festivals and raves for eager customers.
