A photo essay about the history, development, and impact of automobiles from horseless carriages and Model T Fords to modern high-performance racing cars; featuring detailed cutaway photos showing how the moving parts of a car work.

Every year the gang goes away for a sixties weekend at Hollinger's Hotel, but this year is different, as Alan made an error booking the rooms, an old friend tempts Carol, and Trevor surprises everyone by attempting the climbing wall.