In one of his final films, Ladd is a man of violence. He plays an aerospace engineer attacked by a gang of toughs on his way home from work one evening. He quickly recovers from his injuries but becomes exasperated when the cop assigned to the case, Steiger, is too slow in rounding up
suspects. Ladd takes the law into his own hands by beginning his own investigation. His single-minded zealousness forces him to lose his job, but he pursues his investigation until Callan, the rich young punk who led the attack, hears about it. When one of his fellow gang members commits suicide,
Callan decides to get revenge. He breaks into Ladd's home and terrorizes Ladd's wife, Dor...