Harriet Oleson's young niece comes to town for a visit and is immediately attracted to Doc Baker. A whirlwind romance follows and despite their significant age difference they become engaged--until an unexpected event leaves them both with a critical choice to make.
After a daring escape from East Germany where he gets rescued, and in the process saves a fellow operative with a quick mechanical fix, MacGyver thinks that he deserves some peaceful vacation time.
Dillon finds himself in the revengeful hands of a half-crazed widower who plans, with the aid of his four surviving sons, to hunt Dillon down and kill him to revenge the death of his son, a wanted murderer.
Hijackers use space-age technology to create an almost foolproof mechanical device which they effectively use to literally snatch courier cars off the streets and steal negotiable certificates. But Harlan creates his own invention that permits Jon and Ponch to trap the hijackers in the midst of their crime wave. Bruce Jenner guest stars.
To keep the children at home, Tom sets up a no-rules system.
