The Bradys set out for a family vacation to the Grand Canyon. However, en route, the family stops in an old ghost town where an old prospector locks them in a jail cell.

After escaping the jail cell, the Brady finally arrive in the Grand Canyon and set up camp. Later, the family is thrown into a panic, when Bobby and Cindy get lost in the canyon while chasing and Indian boy.

The Brady family tries to figure out who would send them a pool table and later learn that Mike's boss, Mr. Matthews is the one. Meanwhile, Bobby becomes obsessed about the game and begins betting everyone including Mr. Matthews.