Actually I think that one's about a very disfunctional family going on some road trip, or something like that. I've seen a longer, more detailed commercial for it where they at least mentioned a family that is an odd one to say the least. I might have seen a longer preview when I saw Taladega Nights, but I can't remember shit b/c I was so high. But I get you with the advertising thing. They just leave most out and drop a little hint so you're so curious you end up going to see it purely out of curiousity.

Damn you Hollywood! ~