This film is set in 1971, San Francisco faces with the terror of a mad man who is known as Scorpio. He always attacks innocent victims and get ransom by leaving a message at the scene. Inspector Harry Callahan (Dirty Harry who is very famous for solving many crimes) is appointed to investigate about this killer with a new colleagues - Chico Gonzalez.

• Dirty Harry
• Andy Robinson
• Harry Guardino
• Reni Santoni
• John Vernon
• Don Siegel
• Clint Eastwood