Tepito in Mexico City hosts the most dangerous black market in the world, operating a shadow trade that deals in guns, drugs, and assassinations. Ruled by the heavily armed cartel, the region is awash in violence. As a special unit of the police plays a dangerous game of cat-and-mouse with the cartels, the booming drug and gun trades threaten to turn Tepito and its residents into a permanent war zone.

Tepito in Mexico City hosts the most dangerous black market in the world, operating a shadow trade that deals in guns, drugs, and assassinations. Ruled by the heavily armed cartel, the region is awash in violence. As a special unit of the police plays a dangerous game of cat-and-mouse with the cartels, the booming drug and gun trades threaten to turn Tepito and its residents into a permanent war zone.