An anonymous tip leads McCall to believe that an explosion in her art class was an attempt to kill a murder witness.
J.R. uncovers crucial evidence in Clayton's homicide case; Kimberly seeks to stop the Weststar takeover bid; Ray goes out with Connie; Casey Denault tries to partner with Cliff; Bobby and Kay continue their relationshipmoreless
After blowing up a nuclear facility under the control of an aggressive world leader, MacGyver returns home for some peace and quiet, only to learn that a contract has been put out on his life.moreless
A stagecoach is attacked by Apaches and Bret's lady friend is killed. General Frye and his troops ride into town to hunt down the renegades who are responsible but Philo Sandeen insists that the crime was committed by white men.moreless
Ralph and Bill must stop World War III by defusing a corrupt military leader's plans to launch a suprise missile attack against Russia.