A mad killer is loose in Venice's catacombs. He attacks the beautiful women, releasing them into the underworld, kill them and then stop them and add them to his "collection".
Two rival friends guide a young man through the Colombian jungle, hunting for, and finding a tribe of (not so) wild Amazons and a cache of (not so) bright emeralds.
In an operation aimed at hitting the mafia, the Sicilian police hunt down several assassins to trace their bosses. The hunted, with the help of the mafia, try to escape from the island.
