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.
Desperate to get out from under her overprotective mother, a home-schooled teen runs off to live with her dad, and forms a bond with his much-younger boyfriend.
A dinner party between two couples experiencing eleven different endings, all of which points to the same conclusion - the best possible life comes from the one lived the most in the present.