When a congressional aide is killed, a Washington, D.C. journalist starts investigating the case involving the Representative, his old college friend.
A group of people gather in the California desert to watch a "film" set in the late 1990s featuring a sentient, homicidal car tire named Robert. The assembled crowd of onlookers watch as Robert becomes obsessed with a beautiful and mysterious woman and goes on a rampage through a desert town.
As he helps a young artist with her upcoming exhibition, the owner of a mannequin shop's deadly, suppressed desires come to the surface.