Psychopathic serial killer Zito, an evil genius whom Mac helped arrest and convict, is up for parole due to gullible psychologist Marion Skinner. Mac testimony, a sharp analysis, prevents his release, but the court appearance allowed Zito to steal a pen and escape, fatally stabbing two staff members. He also leaves a complex series of arithmetic riddle clues. Each points to a place or victim, part of an elaborate trap to teach MacGyver a master class in evil, but unlike the police, Mac proves at least as smart. Written by
Did You Know?
When Mac climbs up to the window of the abandoned asylum, the windows are small-paned two-row window sashes, but when he pushes open a window, it is a tall-paned single-row sash. See more
Evil cannot be beaten simply by confronting it.