Jonathan and Mark become counsellors at Camp Good Times, a summer camp for children with cancer. They encounter an angry teenage athlete and a boy with an overprotective mother.
Jonathan tries to get Jason's dad Miki to get to know his son a little bit better, but Miki would much rather forget he has a son altogether.
Diana joins forces with Chinese and Soviets to stop a scientist (Roddy McDowall) who plans to turn the world into one huge volcano.
The Dukes vow to help a man and his daughter, on the run after testifying against a diamond-smuggling ring; guest Hoyt Axton.
A developer plans to cheat both Boss and the townspeople by buying Hazzard for a strip-mining operation.