Norma Calderón is an actress, known for Quand la marabunta gronde (1954), L'homme au fusil (1955) and Johnny Midnight (1960).

The Leiningen South American cocoa plantation is threatened by a 2-mile-wide, 20-mile-long column of army ants.

When a notorious tough 'town tamer' is hired by the citizenry to rid of the gunmen driving them off their land, he finds the local saloon madam to be an old friend.