This film is the sequel of "Westworld", starring Peter Fonda, Yul Brynner, Blythe Danner, etc. The plot is about the conspirators who took advantage of the reopening of the Robot Park to replace the visiting businessmen and politicians with robots in an attempt to control the world. Unexpectedly, their ambition was exposed by two reporters. The content of this film is not as novel and exciting as the previous one, but the plot is more suspenseful and the climax is also quite exciting.