In Necessary Evils, Hal, an L. A. cop driven to avenge the murder of his three partners, finds himself blindfolded and stripped to the waist, on his knees, his hands bound behind him, surrounded by a chorus of vigilantes?parents from all over America whose children have been killed by drugs?as they chant, "In adversity there is opportunity!" Their charismatic leader states their case: The country has turned its back on the people, supplying drugs that kill and killers who drug the people.